How can single-gene inheritance be more complicated than the simple autosomal dominance model?
(short answer response)
Answers
Single-gene inheritance can be more complicated than the simple autosomal dominance model in the following ways:Incomplete Dominance: Incomplete dominance refers to a situation in which one allele is not completely dominant over another.
The result is a third phenotype that blends the dominant and recessive characteristics together, resulting in an intermediate expression. A cross between two parents with pink flowers that represent incomplete dominance results in a ratio of 1:2:1 (red: pink: white). This suggests that a single gene does not determine flower color in this situation.Codominance: Codominance is a form of inheritance in which both alleles are expressed simultaneously in a heterozygote, resulting in both traits being visible. The ABO blood type system is an example of this, where both A and B blood group alleles are present, resulting in AB blood type.
This situation of blood type results in the presence of two different alleles, resulting in the expression of both and the production of a new protein or molecule.Pleiotropy: This type of inheritance occurs when a single gene has an impact on multiple traits, indicating that the impact of a single gene is not limited to a single trait. As a result, some characteristics may appear unrelated and may arise as a result of a single gene mutation. The Marfan syndrome is an example of this, which is caused by a mutation in the FBN1 gene that affects connective tissue in multiple parts of the body.X-Linked Dominance: Some characteristics are determined by genes located on the X chromosome, which can have an impact on both males and females. When a dominant allele is present on the X chromosome, it results in a condition known as X-linked dominance, which is more common in males than females. In this situation, the males appear to be more affected by the condition, while the females are carriers.
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Related Questions
2. Imagine that a stream of water becomes heavily polluted over time. Predict how you think the following properties would change: • pH • water hardness • nitrate and ammonia levels
Answers
Pollution is a degradation of the environment that causes a harmful effect on the environment and on the living beings that develop there. Pollution can be caused by humans, but also due to natural processes. There are different types of pollution, such as atmospheric, water, soil, sound and visual.
What is the importance of pH in aquatic life?pH is important because it sets the stage for how easily nutrients are available (which can lead to algal blooms) and how easily things like heavy metals dissolve in water (creating toxicity to aquatic life).
How does water hardness affect the environment?The most important impact of hardness on fish and other aquatic life appears to be the affect the presence of these ions has on the other more toxic metals
What are the levels of nitrate and ammonia?Ammonium nitrate is used in fertigated crops, a fertilization technique in which the fertilizer is diluted in drip irrigation water. Fertilizers used in agriculture are made up of ammonium nitrate, the same substance that caused the massive explosion in Beirut, Lebanon, last week.
With this information, we can conclude that Rivers are polluted by the contamination of organic waste, including human and animal excreta, and agricultural waste resulting from plant decomposition. With the increase in population and the emergence of industrial activity, the pollution of rivers and lakes did not cease to increase.
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Answer:
PH: It will become less acidic
water hardness: It will become more harder
nitrate and ammonia levels: They will both increase
Explanation:
You observe a Eastern Fence Lizard doing push-ups. Which of the
following would be a valid hypothesis?
Question 6 options:
"Male lizards do push-ups because of the theory of evolution by
natural selection If a male lizard is approached by a female, then it will do more push-ups within a minute compared to a male that is not in the presence of a female."The frequency of male lizard push-ups as acts as an honest signal of male quality to potential mates and rivals."If a male lizard is approached by another male lizard it will increase the frequency of push-ups."
Answers
The valid hypothesis, in this case, would be: "The frequency of male lizard push-ups acts as an honest signal of male quality to potential mates and rivals."
This hypothesis suggests that the frequency of push-ups performed by male lizards serves as a communication signal to convey information about their quality as potential mates and competitors. By engaging in push-ups, male lizards may be demonstrating their physical fitness, strength, and overall health. This behavior can potentially attract female lizards and establish dominance or intimidate rival males.
The hypothesis implies that the frequency of push-ups would be influenced by social interactions and the presence of other lizards. It suggests that when a male lizard is approached by another male lizard, it will increase the frequency of push-ups to assert dominance or display aggression. This hypothesis highlights the potential role of push-ups as a behavior related to reproductive success and competitive interactions among male lizards.
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All eukaryotes are multicellular, contain organelles, and replicate via binary fission. True False
Answers
The statement is FALSE
Eukaryotes are multicellular, contain organelles, and undergo MITOSIS for cellular division.
Prokaryotes are organisms that replicate through binary fission.
Al wonders if adding salt to water will affect how long it takes the water to freeze. Al thinks that
salt water will freeze more quickly than fresh water. He decides to check his hypothesis by
conducting an experiment. Al takes two ice trays and fills one with distilled water and the other
with distilled water that has two tablespoons of salt added. He makes sure he puts exactly the
same amount of water in each ice tray. Al takes the trays and puts them side by side in the
freezer. Al checks the ice trays every 10 minutes to see if the water in each tray has begun to
freeze. Al finds that after 20 minutes the water in the ice tray without the salt has started to form
ice, while the ice tray with the salt water is still completely liquid.
Answers
Al doesn't know the answer to your question.
Al is sorry. :(
Al wants you to forgive him.
Which white blood cells expand exponentially during an accute bacterial infection?
Answers
During an acute bacterial infection, the white blood cells that expand exponentially are called neutrophils.
Neutrophils are a type of granulocyte, which are the most abundant white blood cells in our body. They play a crucial role in our immune response against bacterial infections. Neutrophils expand exponentially during an acute bacterial infection.
Neutrophils are rapidly recruited to the site of infection and play a vital role in combating bacteria. They are phagocytic cells, meaning they engulf and destroy bacteria through a process called phagocytosis. Neutrophils are short-lived cells, but their numbers increase dramatically during an infection, as they are produced and released into the bloodstream from the bone marrow. This increased production is known as "neutrophilic leukocytosis." The expansion of neutrophils helps to eliminate bacterial pathogens and control the infection. In summary, neutrophils are white blood cells that expand exponentially during an acute bacterial infection.
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how do the size and shape of human canines compare with chimp canines
Answers
Answer:
Human canines are blunt and small in size, while chimps have big and sharp canines.
Explanation:
Chimps' mouths are larger than humans' mouths. Chimps have a flat palate; and bigger and sharper canines than humans. Also, there is a space between these teeth and the teeth at the front of the mouth. On the other hand, humans' mouths are smaller, which leads to smaller and less sharp canines, and there is no space between these teeth and the teeth at the front of the mouth.
Answer:
Humans are more circular and wide, while chimpanzees are longer and skinnier
Explanation:
I'm taking Ap Biology.
During meiosis, homologous chromosomes exchange genetic material. This exchange of
genetic material -
Answers
Answer:
During meiosis, homologous chromosomes may exchange genetic material during a process called "crossing over."
5. Why does DNA replicate during the S phase?
Answers
Answer:
The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells.
Explanation:
What are two ways that eating certain kinds of milkweeds help monarch butterflies survive?
Answers
Answer:
When monarchs eat the milkweeds,they become toxic to other animals because the milkweeds carry toxins in them that only they can eat. Also some milkweeds can help cure their disease and parasites to make them uninfected.
Explanation:
Which process must occur for a muscle to be able to relax?
A.
The concentration of calcium in the myofibril must decrease.
B.
A nerve must initiate an action potential in the muscle fiber.
C.
Myosin and actin must attach to each other.
D.
The amount of ATP in the neuromuscular junction must increase.
Answers
Answer:
B
Explanation:
Why is variety important when making
sperm or ova (eggs)
Answers
have no effect on the host cell. cause acute infections. cause tumors to develop. are genetically unstable. are lytic viruses that kill the host cell.
Answers
- Have no effect on the host cell: False. Viruses interact with host cells and have various effects.
- Cause acute infections: True. Some viruses cause acute infections with a rapid onset and short duration.
- Cause tumors to develop: True. Certain viruses, known as oncogenic viruses, can contribute to the development of tumors in infected individuals.
- Are genetically unstable: True. Viruses can exhibit genetic instability, prone to mutations and genetic changes over time.
- Are lytic viruses that kill the host cell: False. Not all viruses are lytic and kill the host cell. Some establish persistent infections without immediate cell death.
1. Viruses are obligate intracellular parasites that interact with host cells to complete their life cycle. They can have a range of effects on the host cell, including altering cellular processes, causing cell death, or evading the immune system.
2. Acute infections refer to infections that have a sudden onset and a relatively short duration. These infections are typically characterized by a rapid progression of symptoms.
3. Certain viruses, referred to as oncogenic viruses, have the ability to induce or contribute to the development of tumors in infected individuals. Examples include human papillomavirus (HPV), Epstein-Barr virus (EBV), and hepatitis B virus (HBV).
4. Viruses exhibit genetic instability due to their high mutation rates and error-prone replication mechanisms. This genetic variability allows viruses to adapt and evolve, which can have implications for viral pathogenesis and the development of antiviral treatments.
5. While some viruses are lytic and cause host cell death, not all viruses follow this pattern. Some viruses establish persistent infections, where they coexist with the host cell for extended periods without causing immediate cell death. These viruses may undergo periodic reactivation or latency, influencing the course of infection.
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What type of muscle is found in the heart
Answers
Answer:
Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscles, with the other two being skeletal and smooth muscles. It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart.
Explanation:
I hope this helps :3
All of the following statements are true concerning skeletal muscles EXCEPT: A. Skeletal muscles control involuntary body functions. B. Skeletal muscles are controlled by the central nervous system. C. Skeletal muscles are used to move large body parts. D. Skeletal muscles are attached to the bones. Please select the best answer from the choices provided. A B C D
Answers
Answer:
A. Skeletal muscles control involuntary body functions.
Explanation:
Skeletal muscle is also known as voluntary muscle and it can be defined as a type of muscle connected with the skeleton by tendons, so as to form a mechanical system that enables the movement of the limbs and other body parts with respect to another.
Generally, skeletal muscles are only found in vertebrates.
Skeletal muscles doesn't control involuntary body functions, instead it controls voluntary body functions such as the movement of body parts.
In conclusion, an example of a muscle responsible for controlling involuntary body functions is cardiac muscle.
Answer: the answer is a
Explanation:
The top one is correcto
Cold air holds less water than warm air. Question 8 options: True False.
Answers
Answer:
True
Explanation:
the warmed air can “hold” a good deal more moisture than the cool air.
HURRY I ONLY GOT 20 MINS!! 100 pints
Analyze the given diagram of carbon cycle below.
An image of carbon cycle is shown. The sun, a cloud, two trees, one on the left and the other on the right, an animal, lake, and a factory are shown in the image. An arrow is shown from the sun towards the left tree marked A. The sun is marked B. There is an arrow from the air above the clouds, marked C, towards the left tree. An arrow from a location close to the ground marked D points towards Dead Organisms, which is a label under the animal. An arrow marked E points from the right tree straight up to the clouds. An arrow marked F points from the animal straight up to the clouds. An arrow marked G points from the factory towards the air above the clouds, C. There is an arrow pointing from the air to the lake labeled Carbonates in Water, an arrow pointing down from dead organisms to Fossils and Fossil Fuels, and an arrow from Fossils to the factory.
Part 1: What is happening at location G?
Part 2: Which type of energy transformation is taking place at this location?
Part 3: Justify why this process is a recycling of carbon in the carbon cycle.
Use complete sentences to explain your answer.
Answers
Answer:
This is too difficult to read and understand... if you had a diagram I could be able to help more, but I can't figure out exactly what your asking... all I know is part A is CO2 being released into the atmosphere...
Hope you have a great day and if you have a diagram let me know.. I'd love to help :D
Answer:
Part I
At location G, the process of combustion is taking place where hydrocarbon or organic carbon from the fossil fuel is burnt in the presence of oxygen to produce carbon dioxide and water as the products.
CxHy = CO₂ + H₂O
Part II
At point G there is no transformation of energy since during the process of combustion energy will still be stored in form of chemical energy in the bonds of carbon Iv oxide and the water produced during the reaction.
Part III
The process shows recycling of carbon in the carbon cycle. This is because carbon from living organisms is cycled to non living organisms. When plants and animals die and are buried deep in the ground, they are then slowly converted to fossil fuels which contain organic hydrocarbon compounds including petrol, kerosene and other compounds. Then the fossils are used in the industries and undergoes combustion releasing carbon iv oxide which is then released to the atmosphere and used by the plants and animals. The process starts once again.
DISCLAIMER:
THIS WORK AIN'T MINE
I got it from the same question that was answered.
Describe the stages of photosynthesis. Use the terms thylakoids, light-dependent reactions, and light-independent reactions.
Answers
Chloroplasts are surrounded by a permeable outer membrane and an inner membrane that forms the permeability barrier; neither of these membranes participates in photosynthesis. In the chloroplast interior, the thylakoid membrane is folded into numerous flattened vesicles; the light-capturing and ATP-generating reactions of photosynthesis occur on this membrane (see Figure 16-34).
Photosynthesis in plants can be described in four stages, which occur in specific parts of the chloroplast.
In stage 1, light is absorbed by chlorophyll a molecules bound to reaction-center proteins in the thylakoid membrane. The energized chlorophylls donate an electron to a quinone on the opposite side of the membrane, creating a charge separation (see Figure 16-38). In green plants, the positively charged chlorophylls then remove electrons from water, forming oxygen.
In stage 2, electrons move from the quinone through a chain of electron transport molecules in the thylakoid membrane until they reach the ultimate electron acceptor, usually NADP+, reducing it to NADPH. Transport of electrons is coupled to the movement of protons across the membrane from the stroma to the thylakoid lumen, forming a pH gradient across the thylakoid membrane.
In stage 3, movement of protons down their electrochemical gradient through F0F1 complexes powers the synthesis of ATP from ADP and Pi.
In stage 4, the ATP and NADPH generated in stages 2 and 3 provide the energy and the electrons to drive the fixation of CO2 and synthesis of carbohydrates. These reactions occur in the thylakoid stroma and cytosol.
Chlorophyll a is the only light-absorbing pigment in reaction centers. Associated with each reaction center are multiple light-harvesting complexes (LHCs), which contain chlorophylls a and b, carotenoids, and other pigments that absorb light at multiple wavelengths.
Energy is transferred from the LHC chlorophyll molecules to reaction-center chlorophylls by resonance energy transfer (see Figure 16-39).
What are linked genes?
genes on different chromosomes that are inherited together
genes on different chromosomes that always control the same traits
genes on the same chromosome that sort independently
genes on the same chromosome that are inherited together
Answers
Answer:
Option C
Explanation:
Answer:
I think it is the last one.
Explanation:
Genes that are on the same chromosome will be inherited as a unit more frequently than not.
what's the difference between a secondary follicle and a Graafian follicle
Answers
Explanation: Secondary follicles develop into tertiary, or Graafian follicles, characterized by a fluid-filled space called the antrum, and two layers of theca (theca interna and theca externa). The secondary oocyte develops a thick covering known as the zona pellucida. The Graafian follicle releases the oocyte through ovulation.
A student conducted an experiment to test whether talking to plants would help them to grow faster. He set up the following two groups: Group 1: spoken to and hand watered Group 2: not spoken to and watered with sprinklers After three weeks, the plants in Group 1 showed much more growth than those in Group 2. Based on the results of this experiment, which is the best conclusion?
Answers
A researcher must keep constant all the variables that are not of interest, so they can not affect the experiment results. B) They are not valid because the student did not control all the variables that can affect plant growth.
What are the variables involved in an experiment?Independent variable
This variable is the one that affects the response of the dependent variable. Any change that occurs in the independent variable will rebound on the dependent variable and will be reflected in the experiment results.
Dependent variableThis variable is the one that completely depends on other variables, meaning that any change that occurs in other variables will cause a modification on this one. It depends on the independent variable.
When conducting an experiment, several variables might affect the results. Since the researcher is only interested in studying how the independent variable influences the dependent one, he or she must keep constant all the remaining variables so they will not influence the response.
Controlled variables -constant variable-
These are all the other variables that must be kept under control so they do not affect the results of the experiment. Their values or states must be constant in the control and experimental groups.
In the exposed example, the student is interested in knowing how talking to plants would help them to grow faster.
Independent variable ⇒ talking to plants
Dependent variable ⇒ plants' growth rate
In this case, the constant variable should be the way in which the student provide water to the plants. However, the students use two different ways to water the plants: hand watering and with sprinklers.
Since this last variable is not controlled and is not constant in the control and the experimental group, it will indeed affect the plants' growth rate.
The experiment fails in keeping constant the controlled variable.
The correct option is B) They are not valid because the student did not control all the variables that can affect plant growth.
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Complete question
A student conducted an experiment to test whether talking to plants would help them to grow faster. He set up the following two groups:
Group 1: spoken to and hand wateredGroup 2: not spoken to and watered with sprinklersAfter three weeks, the plants in Group 1 showed much more growth than those in Group 2. Based on the results of this expe ment, which is the best conclusion?
A) They are valid because the student ran a controlled experiment.
B) They are not valid because the student did not control all the variables that can affect plant growth.
C) They are valid because the dependent variable caused a change in the independent variable.
D) They are not valid because the time frame to grow a plant is too short.
Which of the following statements regarding the two transport systems shown here is false? Both transport processes:require membrane proteinsmove at least one substance against its concentration gradients directly require energy from the cellincrease a concentration gradient
Answers
The false statement is: "Both transport processes increase a concentration gradient."
While both transport processes mentioned (active transport and facilitated diffusion) require membrane proteins, move substances against their concentration gradients, and directly require energy from the cell, they do not necessarily increase a concentration gradient.
Active transport actively moves substances against their concentration gradient, utilizing energy to maintain or establish concentration gradients.
On the other hand, facilitated diffusion allows the passive movement of substances down their concentration gradient, without directly increasing the concentration gradient.
Therefore, the statement that both transport processes increase a concentration gradient is false.
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Which of the following answer choices BEST supports the idea that most attempts by scientists to create new elements will fail?
Answers
The answer choice which best supports the idea that most attempts by scientists to create new chemical elements will fail is that: (D) scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success.
What is a chemical element?A chemical element can be defined as a pure substance that comprises atoms having the same atomic number (number of protons) in its nuclei and as such, it is the primary constituent of matter. Also, a common characteristics for all chemical elements found on the periodic table is mass and volume.
In Chemistry, some examples of a chemical element include the following:
Carbon (C)Oxygen (O)Argon (Ar)Sodium (Na)Potassium (K)Mercury (Hg) Hydrogen (H)Zinc (Zn)In this scenario, we can reasonably infer and logically deduce that a statement which indicates that an attempt by scientists to create new chemical elements will fail is stating that "scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success." because an experiment to create new chemical elements must be tested and they all should have multiple successful results.
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Complete Question:
Which of the following answer choices BEST supports the idea that most attempts by scientists to create new elements will fail?
(A) Scientists have to create a target with a carefully chosen atom; this is a process that takes months.
(B) Scientists have to smash atoms together and get them to stick; a positive charge makes them repel each other.
(C) Scientists have to bombard particles with specific protons; specialized atoms combine with neutrons.
(D) Scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success
completa el crucigrama
Answers
Where do you think a plant might get its energy during fall and winter
Answers
Answer:
Each plant is transformed differently in the fall intimately dormancy is the way plants conserve energy by using the stored sugers and carbohydrates they produce during the growing season to survive the winter.
1. Which theory did Darwin use to explain evolution?
the theory of acquired characteristics
the theory of adaptive evolution
the theory of natural selection
the theory of mutated genes
Answers
Depression and anxiety disorder
The following are symptoms that
The first symptoms were in a
What makes birds and planes similar and different.?
Answers
Answer:
Airplanes have wings, just like birds. They also have a light skeleton (or framework) to decrease their weight, and they have a streamlined shape to decrease drag. The big difference is that airplanes do not flap their wings.
In the U.S., teenagers are considered adults when they reach the age of 18. At 18, they are allowed to serve in the military, they are allowed to sign legal contracts (like apartment, house, and car leases), and they are allowed to vote. All of these activities are important; however, one of the most important is left out. The driving age in many states is 16. Is driving less important than serving in the military? Federal law should require that teenagers should not be allowed to drive until they are 18.
One reason that the driving age should be raised to 18 is because 16-year-olds have a different set of responsibilities than 18-year-olds. For example, many 16-year-olds have only just entered high school. Some high schools offer early graduation for students who do well academically. This should be their first priority—school. Many high school kids are too distracted by the thought of a driver's license to study. This shows the type of drivers they will be—distracted. Do people really want a 16-year-old who can't even concentrate on studying distracted and behind the wheel of a two-ton car? A 2005 study of cell phone users shows that many use their cell phones while they drive.
Another reason the driving age should be raised is because it will make kids more responsible. By the age of 18, many students are starting to grow into adults. Many have jobs. Many will graduate. Many will start to plan for college. This is exactly what it is like to be an adult—having responsibility. A teenager turning 18 will be more likely to take his or her driving habits seriously because it would be one of many other adult responsibilities they would have.
Finally, at the age of 18, the government can hold teenagers accountable as adults. This would make things safer for all drivers. Teenagers behind the wheel of a car cause more accidents than adult drivers. Each year, S.U.V.s are involved in more accidents than regular cars. In an accident where someone is injured, the person responsible for the accident can be punished by the government. This isn't the case if the person responsible is 16. Laws apply differently to adults than they do to teens. Many times, the parents are responsible. If a driver had to wait until he or she were 18 to drive, he or she would be the only person to blame in an accident. This means that the 18-year-old would be punished by the same law that punishes adults. The same driver at 16 would not be held to the same punishment since he or she is considered underage. This is clearly not fair.
8
Which sentence supports the idea that teenagers behind the wheel of a car cause more accidents than adult drivers?
A.
For example, the U.S. Department of Transportation says that in 2004 60% of the accidents in the U.S. involved drivers younger than 18.
B.
An 18 year old is considered an adult; however, in many states, this does not mean he or she can drink legally since that legal age is 21.
C.
For example, if an 18-year-old had the choice, he or she would rather drive faster than slower when on the freeway.
D.
The demands of being a teenager, going to school, getting good grades, finding one's self, and planning out the future are stressful.
Answers
Answer:
A
Explanation:
it's the only answer that focuses on teenagers causing more crashes then adults
Another name for a convex lens is a converging lens. Converging means…
A. Brings light into focus (beams come together)
B. Spreads light our or focus (beams spread apart)
Answers
Answer:
A
Explanation:
Answer:
A. Brings light into focus (beams come together)
Explanation:
Converging lens or convex lens is a type of lens on which parallel rays of light after refraction converge or meet at the focus of the lens.
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Euglena falls under what kingdom ?
Answers
what is hydrogen energy level
Answers
It is denote by the quantum number and where n veries from 1 for the ground state (the lowest energy level) to corresponding to unbound electrons