The pedigree on the right shows the inheritance pattern for an X-linked recessive disorder. The mother of the individuals circled in pink is not shown on the pedigree. Based on the phenotypes of these individuals and their father, what are the possible genotypes of their mother? Check all of the boxes that apply
Answers
Answer:
The right answers are: XAXA and XAXa
Explanation:
A genetic disease is caused by an X-linked recessive inheritance when:
1. the gene present on the x linked chromosome, involved in the mutation.
2. The presence of both mutant alleles is necessary for the disease to be expressed in a female.
As per the image, the mother has always transferred a healthy allele (XA) so the answers are the genotypes carrying this allele.
Thus, the right answers are: XAXA and XAXa
Related Questions
2 3 4 Mark this and return H G 5 Which organelle is labeled I? F 10 Mitili A Save and Exit DELL B E C Next 57:10 Submit Sign out
Answers
In the provided diagram, where the organelle labeled "I" is the chloroplast, it signifies the presence of a crucial organelle within plant cells.
Chloroplasts are unique and essential structures responsible for the process of photosynthesis. This intricate process allows plants to convert light energy from the sun into chemical energy in the form of glucose, while also releasing oxygen as a byproduct.
Chloroplasts possess a distinctive double membrane structure. The inner membrane surrounds the stroma, a semi-fluid matrix containing enzymes, DNA, and ribosomes. Within the stroma, a system of interconnected membranous sacs called thylakoids is present. These thylakoids are organized into stacks called grana, and they contain the pigment chlorophyll.
Chlorophyll is the key player in photosynthesis as it absorbs light energy. When light is absorbed, chlorophyll initiates a series of chemical reactions in the thylakoid membranes, resulting in the conversion of light energy into chemical energy.
This energy is used to generate ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which are crucial for the synthesis of glucose.
Overall, chloroplasts are key organelles that enable plants to capture and convert sunlight into energy-rich molecules, ultimately sustaining life on Earth.
Their structural organization, containing chlorophyll and facilitating photosynthesis, illustrates the remarkable adaptation of plants to their environment and their vital role in global ecosystems.
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The complete question is :
Consider this plant cell.
Which organelle is labeled I?
Lime stone is a sedimentary rock that contains calcium this type of rock typically forms in warm shallow marine waters. Which process is involved in distributing calcium before it becomes part of the sedimentary rock?
A) tectonic movement
B) weathering
C) a biological process
D) volcanic activity
Answers
Answer:
B weathering
Explanation:
how do plant and animal hormones differ? select all that apply. how do plant and animal hormones differ?select all that apply. in plants more so than in animals, it is the balance between existing hormones, rather than hormones acting in isolation, that controls growth and development. unlike animal hormones, plant hormones act only locally. unlike animal hormones, plant hormones d
Answers
In plants more so than in animals, it is the balance between existing hormones, rather than hormones acting in isolation, that controls growth and development. Unlike animal hormones, plant hormones act only locally.
The differences between plant and animal hormones. Here are the key differences:
1. In plants, more so than in animals, it is the balance between existing hormones, rather than hormones acting in isolation, that controls growth and development. This means that multiple plant hormones work together to regulate various aspects of plant growth.
2. Unlike animal hormones, plant hormones act only locally. Plant hormones typically function in the area where they are produced and do not travel long distances like animal hormones do.
3. plant hormones are generally simpler in structure compared to animal hormones. Plant hormones are often small molecules, while animal hormones include complex proteins and peptides.
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1. Do you think manufacturers of computers and television sets and other forms of e-waste
(Core Case Study) should be required to take them back at the end of their useful lives for
repair, remanufacture, or recycling? Explain. Would you be willing to pay more for these
products to cover the costs of such a take-back program? If so, what percent more per
purchase would you be willing to pay for electronic products?
Answers
1. The correct answer to the task above about e-wastes is that it should be recycled.
2. I won't be willing to pay more for the cost of take-back materials of devices simply because these devices still have components which will still be useful for the manufacturers.Why wastes of electronic devices should be taken back for repair or recycling.Computers, and others electronic devices; when they got broken or spoilt, needs to be recycled simply because the activities of of recycling back the devices makes more raw materials available for another re-manufacturing.
In conclusion, it can therefore be deduced from the explanation given above that recycling of substances is one of best ways of making them much more available where they are scarce.
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Escribe las diferencias entre los dos tipos de sinapsis.
Answers
what is an exception to the standard biological species concept used to define a species? group of answer choices species that do not resemble one another cannot be distinguished using this concept. natural interbreeding populations cannot be distinguished using this concept. species that coevolved cannot be distinguished using this concept. asexual species cannot be distinguished using this concept.
Answers
The exception to the standard biological species concept used to define a species is asexual species cannot be distinguished using this concept.
The biological species concept states that "a species is a group of interbreeding, natural populations that are reproductively isolated from other groups." This definition implies that individuals from the same species can interbreed to produce viable and fertile offspring, whereas individuals from different species cannot.
The exception to the biological species concept is the asexual species. Asexual species cannot interbreed and reproduce with individuals from another species since they reproduce through budding, fragmentation, or spore formation, which does not require the exchange of genetic material with other individuals.
Therefore, since asexual species do not reproduce sexually, the biological species concept cannot be applied to them. They are instead defined based on morphological, genetic, or ecological criteria.
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Topic: SARS-CoV-2
* What is this?
* what is virus?
* Why it is contagious?
* How to stop spreading the disease?
* What are the possible symptoms of the disease?
* How to prevent?
* Risk factors.
* Conclusion.
Answers
Answer:
SARS-CoV-2 is the virus that causes the disease COVID-19.
A virus is a microscopic infectious agent that can reproduce only inside the living cells of a host organism.
SARS-CoV-2 is contagious because it spreads from person to person through respiratory droplets generated when an infected person talks, coughs, or sneezes.
To stop the spread of the disease, it is recommended to practice good respiratory hygiene, such as covering your mouth and nose with a tissue when you cough or sneeze and throwing the tissue away immediately. Washing hands regularly with soap and water for at least 20 seconds is also crucial. Additionally, wearing a mask and practicing social distancing can help prevent the spread of the virus.
The symptoms of COVID-19 can vary from mild to severe and can include fever, cough, shortness of breath, body aches, loss of taste or smell, and more.
To prevent COVID-19, it is recommended to get vaccinated, follow the guidelines set by health authorities, and practice good hygiene such as regular hand washing and wearing masks in public settings.
Risk factors for COVID-19 include age, underlying health conditions, and exposure to crowded settings or close contact with infected individuals.
In conclusion, SARS-CoV-2 is a contagious virus that causes COVID-19 and can spread from person to person through respiratory droplets. To stop the spread of the disease, it is important to practice good hygiene and follow the guidelines set by health authorities. Additionally, getting vaccinated and being aware of risk factors can help prevent the spread of COVID-19.
fungus needs water and minerals salts ro grow up ? is this true justify
Answers
endosulfan was sprayed to kill the insects in a crop field. srudies prved that the maximum concentration of endosulfan accumulates in human beings
Answers
Endosulfan is an organochlorine insecticide that was widely used in agriculture to control insects on various crops. However, it has been associated with several environmental and health concerns.
Studies have indeed shown that endosulfan can accumulate in the environment, including in humans. The compound is highly persistent and can remain in soil, water, and plants for an extended period. Due to its persistence, it can bioaccumulate in the food chain, with organisms at higher trophic levels accumulating higher concentrations of the chemical.
Human exposure to endosulfan can occur through various routes, including inhalation, ingestion of contaminated food and water, and dermal contact. The compound has the potential to bioaccumulate in the human body, primarily in fatty tissues. Once accumulated, endosulfan can persist for a long time, as it has a relatively long half-life.
The health effects of endosulfan in humans are a subject of concern. It is considered a potential endocrine disruptor and neurotoxicant. Prolonged exposure to high levels of endosulfan has been associated with various health problems, including reproductive disorders, developmental delays in children, and neurological issues.
In response to the environmental and health concerns associated with endosulfan, many countries have taken measures to restrict or ban its use. The Stockholm Convention on Persistent Organic Pollutants has listed endosulfan as a persistent organic pollutant, and several countries have banned or severely restricted its use.
It's important to note that the information provided is based on the knowledge available up until September 2021. Therefore, it's advisable to refer to the most recent studies and regulatory guidelines for the latest information on endosulfan and its effects on human health and the environment.
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following intense exercise, your body attempts to overcome oxygen debt by
Answers
Following intense exercise, your body attempts to overcome oxygen debt by engaging in a process known as "excess post-exercise oxygen consumption" (EPOC) or "oxygen debt repayment." During exercise, the body's oxygen demand increases to meet the energy needs of the muscles. However, sometimes the oxygen supply cannot keep up with this demand, leading to an oxygen deficit or debt.
To repay this oxygen debt and restore the body to a balanced state, several physiological processes take place:
1. Increased breathing and heart rate: The body increases its breathing rate and heart rate to deliver more oxygen to the muscles and remove accumulated carbon dioxide.
2. Elevated metabolism: The body's metabolic rate remains elevated after exercise to continue breaking down energy stores and replenish depleted energy sources such as ATP and creatine phosphate.
3. Lactate removal: During intense exercise, lactate accumulates in the muscles due to the breakdown of glucose without sufficient oxygen. After exercise, the body works to clear this lactate by converting it back into glucose or breaking it down for energy.
4. Replenishing phosphocreatine stores: Phosphocreatine is an energy source used for short bursts of intense activity. After exercise, the body replenishes its phosphocreatine stores to prepare for future bursts of activity.
5. Body temperature regulation: Post-exercise, the body may continue to dissipate heat and regulate its temperature, which can remain elevated.
These processes collectively help the body restore oxygen levels, clear metabolic byproducts, and return to a state of equilibrium.
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tell me... if horses can pull wagons... how come humans can pull 18 wheelers?
Answers
Horses can pull wagons because they are large and strong animals with the ability to generate a significant amount of pulling force. Similarly, humans can pull 18 wheelers because they have access to specialized equipment such as hydraulic jacks, winches, and power lifts that enable them to exert a greater amount of force than would be possible with just their own strength.
What is the working principle of hydraulic jacks?Hydraulic jacks work on the principle of Pascal's law, which states that pressure applied to a confined fluid is transmitted equally in all directions and acts with equal force on equal areas.
In addition, humans can use leverage and mechanical advantage to amplify their strength and make it easier to pull heavy loads. For example, using a pulley system can reduce the amount of force required to move a heavy object, making it possible for a human to pull an 18-wheeler.
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In the "Photosynthesis Experiment" article, which of the following explanations supports the data Angie collected?
A) When the light is closer, there is more energy for photosynthesis to occur.
B) When the light is closer, there is more energy for cellular respiration to occur.
C) When the light is farther, there is more energy for photosynthesis to occur.
D) The plants will grow the same no matter the distance from the light.
Answers
explanation:
Light intensity - Increasing light intensity increases the rate of photosynthesis because more energy is provided. However, if the light intensity is increased above a certain threshold, the rate of photosynthesis will not increase because another factor (such as temperature) is limiting the rate of the reaction
When the light is closer, there is more energy for photosynthesis to occur. The correct option is A.
What is photosynthesis?Photosynthesis is a process that plants and other organisms use to convert light energy into chemical energy that can then be released to fuel the organism's activities via cellular respiration.
Photosynthesis is the process by which radiant or solar energy is converted into chemical energy. The rate of photosynthesis has a direct impact on crop productivity.
It ensures that all living organisms have access to oxygen in the atmosphere. It keeps the ecosystem's oxygen and carbon dioxide levels balanced.
Photosynthesis produces fewer oxygen bubbles as the light moves away from the plant. The inverse square law can be used to describe the intensity of light at various distances from a light source.
Thus, the correct option is A.
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What percent of the energy animals get from
food is lost as bodily waste?
Answers
Answer:
roughly 90 percent of stored energy is lost as waste heat each time
Answer:
In general, roughly 90 percent of stored energy is lost as waste heat each time you go up the food chain by one trophic level. In other words, animals, on average, convert just 10 percent of the energy available from the organisms they eat into stored chemical energy.
Explanation:
Do decomposers photosynthesize? Where do they get their energy from?
Answers
Answer:
When an organism dies, decomposers decay the body extracting the last bit of energy from it. The common left over materials such as water, carbon dioxide, and minerals can then be reused by producers to make sugar through photosynthesis. Decomposers get energy through respiration, so they are heterotrophs.
Explanation:
saw these one, hope this help
Which substance acts as a buffer in natural water?
O A. A pH indicator
O B. Distilled water
O c. Decaying plant matter
O D. Sulfuric acid
Answers
Answer:
i think Decaying plant matter is answer
T/F: the first class lever is the most common lever in the human body.
Answers
The statement" the first class lever is the most common lever in the human body" is true because First-class levers are frequently found in the human body.
The first-class lever is a type of lever in which the fulcrum is positioned between the effort and the load.A first-class lever is one in which the pivot point, or fulcrum, is located between the effort and the load. This is the kind of lever that is the most common in the human body.
A seesaw and scissors are examples of common first-class levers.In a first-class lever, the fulcrum is located between the input force and the output force, and it is utilized to modify the direction and magnitude of the force. It's essential to remember that levers don't generate power; rather, they enhance it.
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Which of the following best describes parent rock?
crushed gravel added to depleted soil to provide nutrients
the primary stone sheet from which a boulder or stone originated
high-nutrient igneous rock like obsidian, extruded from the earth’s magma
the lowest layer of the soil horizon, containing little or no organic matter
Answers
Chlorophylla is a critical pigment in plants that not only gives many of them their characteristic green color, but
is also important in the process capturing light energy from the sun in order to drive the process of
photosynthesis.
What is the most likely cell structure in which chlorophyll a would be located?
Answers
Answer:
In the plant cell it's found in the chloroplast.
Hope this helps.
HELPP ILL GIVE BRALIEST!!!! +15 (there are 2 pictures)
Answers
Two weathering processes that contribute to the formation of cliffs are mechanical weathering and chemical weathering.
What is the process of the formation of cliffs?The process of the formation of cliffs is described below:
Mechanical weathering occurs when physical forces such as wind, water, and ice break down rock into smaller pieces. In the case of cliffs, waves crashing against the rock face can cause mechanical weathering by creating pressure and abrasion, which slowly wear down the rock over time.
Chemical weathering occurs when rock is broken down by chemical reactions. Water, in particular, can cause chemical weathering by dissolving minerals in the rock and creating new compounds that are more easily eroded. This process is especially important in coastal areas where saltwater spray and rain can contribute to chemical weathering and the erosion of cliffs.
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4. Which human activity would (NOT) be classified as one that can harm
water source?*
O A. water pollution
B. waste of water resources
C. using sustainable ways to grow crops
Answers
which type of charge does the cloud sorrounding the nucleus possess
Answers
Answer:
Electrons
Explanation:
Where on a DNA strand does replication begin?
on the closed end of the DNA strand
on both ends of the DNA strand
on the middle of the DNA strand
on one end of the open part of the DNA strand
Answers
The DNA replication begins at both the ends which are close to the replication fork. Replication fork is the site where the unwinding of DNA begins. Thus, the correct option is B.
What is DNA replication?DNA replication is the biological process of producing two new identical replicas of the DNA molecule from one original parent DNA molecule. DNA replication occurs in all types of living organisms which are acting as the most essential part for the biological inheritance.
DNA replication initiates at the specific points called as origins, where the structure of DNA double helix is unwound. A short segment of the RNA molecule, called as a primer, is then synthesized and acts as the starting point for the new DNA synthesis. An enzyme called as DNA polymerase then begins replicating the DNA molecule by matching bases to the original strand.
Therefore, the correct option is B.
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Answer: on one end of the open part of the DNA strand.
Explanation: i put b like the person above me said the answer was and it was wrong !
if two species of woodpeckers eat two different kinds of beetle larvae on pine trees in a forest, we would identify that as:
Answers
If two species of woodpeckers eat two different kinds of beetle larvae on pine trees in a forest, we would identify that as resource partitioning.
A species is both a unit of biodiversity and an organism's basic taxonomic classification in biology. A species is the largest collection of organisms in which any two people of the appropriate sexes or mating types can conceive a fertile offspring, typically through sexual reproduction. In addition, a species can be recognized by its karyotype, DNA pattern, anatomical features, behavioral traits, or ecological niche. Additionally, paleontologists employ the chronospecies concept because fossil reproduction cannot be investigated.
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how does acid rain affect an ecosystem?
Answers
Answer:
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes
Explanation:
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Please help me.
1. If the same force is put on two boxes of different weights, what will happen?
A. the heavier box will move faster
B. the lighter box will move faster
C. the boxes will move at the same speed.
D. nothing happens
Answers
Answer:
B.) the lighter box will move faster
Explanation:
According to Newton's Second Law, when the same force is applied to two objects of different masses, the object with greater mass will experience a smaller acceleration and the object with less mass will experience a greater acceleration.
What would happen to the plant population if the caterpillar population decreased?
Answers
Answer:
it was increase
Explanation:
Carbon based molecules are known as ... compounds.
Answers
Answer:
Carbon based molecules are known as organic compounds.
Extra's : organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements
Where do cells get the oxygen, water, and nutrients they
need to function?
Answers
1) How many Amino Acids are there? How do we obtain Amino Acids?
2) Which type of fat is generally healthier for you? Why?
3) What elements are found in proteins?
4) What elements are found in lipids?
COMPLETE SENTENCES PLEASE ILL GIVE BRAINLIEST
Answers
1) There are 20 amino acids. The best sources of essential amino acids are animal proteins like meat, eggs and poultry.
2) Unsaturated fat is generally healthier for you. Unsaturated fats help lower a person's levels of LDL cholesterol, reduce inflammation, and build stronger cell membranes in the body.
3) Elements found in proteins are carbon, hydrogen, oxygen, nitrogen and sulfur.
4) Elements found in lipids are hydrogen, sulfur, carbon, nitrogen, oxygen and phosphorus
A young patient is short in stature, with his limbs and trunk in proportion. His mental development appears to be appropriate for his age. Determine and discuss the type of hormonal disorder he likely has.
Answers
Answer:
Dwarfism
Explanation:
Dwarfism is a growth disorder characterized by a height that is much lower than the average for people of the same race and age. Individuals with proportionate dwarfism have excessively short bodies but the dimensions of all their parts are proportionally smaller. It is due to certain diseases that are already present at birth or that manifest themselves during early childhood, and that block the normal development of their body, such as the deficiency or deficit of growth hormone is when there is not enough hormone growth released by the pituitary gland. Dwarfism does not directly lead to a deficiency in the intellectual capacities of the individual, in general their mental development is normal.