Answers
When a homozygous premature gray-haired person is crossed with a homozygous normal-haired person, all the offspring will have the phenotype of premature gray hair.
In this scenario, premature gray hair is considered a dominant trait, while normal hair coloring is considered a recessive trait. A homozygous individual has two copies of the same allele for a particular gene.
In this case, the homozygous premature gray-haired person has two copies of the allele for premature gray hair (GG), and the homozygous normal-haired person has two copies of the allele for normal hair coloring (nn).
According to the principles of Mendelian inheritance, when a dominant allele is present, it will be expressed in the phenotype, even if the individual also carries a recessive allele.
Therefore, when the two individuals with the genotypes GG and nn are crossed, all the offspring (100%) will inherit one copy of the dominant allele for premature gray hair (G) from the premature gray-haired parent and one copy of the recessive allele for normal hair coloring (n) from the normal-haired parent.
As a result, all the offspring will have the phenotype of premature gray hair.
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Related Questions
From Earth’s atmosphere, where can the carbon atom go next?
Answers
Which process most likely led the beach to form?A. Rock on the beach being weathered by the water and falling apart.B. Sediment being deposited as an ocean breeze slows down along the coastC. Palm trees breaking apart large pieces of granite and limestoneD. Coral reefs in the ocean breaking down and being deposited ashore.
Answers
Sediment being deposited as an ocean breeze slows down along the coasting process most likely led the beach to form.
The weathering and coastal erosion of surrounding land formations lead to the creation of beaches. Sediment is eroded and carried by the water as waves from the ocean strike these land features.
When waves deposit sand, sediment, and various rocks along the shoreline, a sea beach structure is created. They eventually become smooth from being tossed around by the waves. To depict local geography, the sediments typically mirror one another.
Sand seen on beaches is mostly a result of the weathering of the ground (such as the natural erosion of coastal bluffs). Coral and other oceanic creatures can also produce sand. However, rivers and streams provide the majority of the sand found on beaches around the world.
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Maria should report that her patient is experiencing a(n): A. chronic lung disease with low morbidity. B. acute exacerbation of lung disease. C. acute exacerbation of heart disease. D. remission of chronic lung disease.
Answers
Maria should report that her patient is experiencing an acute exacerbation of lung disease. That is option B.
What is acute exacerbation of lung disease?Acute exacerbation of lung disease is defined as the sudden worsening of the airways in the respiratory system of a patient who is likely suffering from chronic obstructive pulmonary disease.
A patient that is experiencing acute exacerbation of lung disease should be given an immediate such as attention as prehospital emergency treatment.
This is because the patient can give up if nothing is done about the case with an immediate effect.
Therefore, Maria should report that her patient is experiencing an acute exacerbation of lung disease.
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14 By breaking down the dead tissue of a
fallen log, bacteria help to ensure that -
A sick trees do not make seeds
Bold trees do not live too long
c healthy trees get enough sunlight
D young trees get enough nutrients
Answers
Answer: A
Explanation:
Some game birds, such as pheasants, fatigue easily. The flight muscles of game birds rely almost entirely on the use of glucose 1‑phosphate to drive ATP synthesis. The glucose 1‑phosphate derives from the breakdown of stored muscle glycogen, catalyzed by the enzyme glycogen phosphorylase. The rate of ATP production is limited by the rate at which glycogen can be broken down.
During a "panic flight," the game bird's rate of glycogen breakdown is quite high, approximately 120 mol/min
of glucose 1‑phosphate produced per gram of fresh tissue.
Given that the flight muscles usually contain about 0.35%
glycogen by weight, calculate how long a game bird can fly for each gram of tissue. (Assume the average molecular weight of a glucose residue in glycogen is 162 g/mol.
)
Answers
According to the question given that the flight muscles usually contain about 0.35% glycogen by weight, a bird can fly only for 3 minutes.
How glycogen is converted to glucose?During the exercise, glycogen is converted to produce glucose for the ATP, glycogen is firstly converted into the glucose 1‑phosphate to drive ATP synthesis.
In the question during a "panic flight," the game bird's rate of glycogen breakdown is quite high, producing 120 mol/min of glucose 1‑phosphate produced per gram of fresh tissue.
Therefore, a bird can fly only for 3 minutes.
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parent one and parent 2, I NEED HELP PLEASEEEEEEEEE, I WILL GIVE BRAINLEST I NEED HELPP, URGENTTTTTTTTT,
Answers
Answer:
The correct answer would be :
rr (parent I) × rr (parent II)
Explanation:
In this given question there are two traits present in the corns that are red kernels and yellow kernels. It is also given that the yellow kernel is dominant over the yellow kernels.
In the provided Punnett square and on our knowledge we know that the recessive trait which is the yellow kernel only expresses itself when both the genes of the kernel have recessive gene r.
In the heterozygous cross, there would be only 50% chances of the kernels of an ear of corn to produce yellow kernels.. There is only one possible condition which is:
rr cross with rr
r r
r rr rr
r rr rr
All kernels in this condition will be yellow.
I need help question
Answers
Let us recall what meiosis is:
Listing out all our phases, we have:
0. Interphase (which isn't listed on this diagram) - homologous chromosomes duplicate
,1. Prophase I - cell nucleus dissolves and crossing over occurs
,2. Metaphase I - homologous chromosomes line up at middle plane
,3. Anaphase I - homologous chromosomes are split by the movement of microtubules
,4. Telophase I + Cytokinesis - formation of 2 new cells and splitting cytoplasm
,5. Prophase II - similar to Prophase I, except now happening to 2 different cells with separate chromosomes
,6. Metaphase II - similar to Metaphase I
,7. Anaphase II - similar to Anaphase I
,8. Telophase II + Cytokineses - similar to Telophase I (end result of 4 cells)
Applying this information to the context of the problem, we have the best answer choice to be A.
Duplication happens first (interphase), then crossing over happens (Prophase I), then homologous chromosomes separate (Metaphase and Anaphase I), then sister chromatids separate (MMetaphas and Anaphase II).
Explain how you decided which illustration represents the most recent rock pocket mouse population and why you positioned the others in the order that you did.
Answers
Adaptation is the process of adjusting to the altered environment for survival. The population of the dark mouse will increase while that of the light coloured mouse will decrease.
What are adaptation and fitness?Adaptation is the biological process in which the organisms acclimates to the altered situation so that they can reproduce and survive. The naturally selected species with better trait quality will be able to survive and one with the unfavourable trait will be eliminated.
The fur colour of the mouse affects the fitness and the survival rate of the mouse population as the change in the fur colour was for the adaptation to the altered conditions.
The transformed mouse species have better chances of survival as they will blend with the dark colour of the rock surfaces compared to the light coloured mouse. The light coloured mice can be easily spotted by their predators.
The dark coloured mouse population will increase over time as they will adapt and only fit organisms will be able to survive.
Therefore, the dark coloured mice will increase and light coloured will decrease.
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explain the concept of mutation and how mutations can translate to a loss or gain of function in an organism
Answers
A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses. Germ line mutations occur in the eggs and sperm and can be passed on to offspring, while somatic mutations occur in body cells and are not passed on.
Recessive mutations inactivate the affected gene and lead to a loss of function. For instance, recessive mutations may remove part of or all the gene from the chromosome, disrupt expression of the gene, or alter the structure of the encoded protein, thereby altering its function.
Practice 5
Select the pathogens below.
Bacteria
Viruses
Macrophages
Protists
Fungus
Answers
From the list you provided, the pathogens are Bacteria, Viruses and Fungus.
Bacteria are single-celled microorganisms that can cause various infectious diseases in humans, animals, and plants.Viruses are tiny infectious agents that can only replicate inside the cells of living organisms.
They cause a wide range of diseases, such as the common cold, flu, HIV/AIDS, and COVID-19.Fungi are a group of organisms that include molds, yeasts, and mushrooms. Some fungi can cause infections in humans, such as athlete's foot, ringworm, and fungal pneumonia.
Protists are a diverse group of eukaryotic microorganisms that include various single-celled organisms, such as amoebas and paramecia. While some protists can be parasitic and cause diseases like malaria, not all protists are pathogens.
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. Mushroom is under............
i. Genus
ii. Donail
iii. Taxonomy
iv. Species
Answers
Answer:
Mushrooms are classified under the categories of "Genus" and "Species" in taxonomy. The genus refers to a group or category that includes closely related species, while the species represents a specific type or kind of organism. So, the correct options for mushrooms would be "i. Genus" and "iv. Species."
50 pts!!PLEASE HELP HURRY-TIMED-
Answer each question individually
___________________________
1) what effect does the higher percentage of the compact bone portion have upon weight of the bone
2) describe the texture of the marrow from the chicken bone
3) describe the texture of the marrow from the beef bone
6) which narrow was denser?(had more mass in the given volume)? What impact would that have on the overall density of the bone
7) in a short paragraph, relate the density of the bone to the activities and environment of each animal, both bird and cattle (just give like 2 sentences)
Answers
Answer:
Explanation:
A higher percentage of compact bone portion typically results in a heavier bone, as compact bone is denser than spongy bone and contains more mineralized tissue.The marrow from a chicken bone is usually soft and gelatinous, with a slightly yellowish-white color.The marrow from a beef bone is typically firmer and more solid than chicken marrow, with a reddish-brown color.I apologize, but there seems to be a question missing from the sequence.The denser marrow was not specified, so I cannot answer this question.The overall density of the bone would be impacted by the density of the marrow, as well as the density of the compact and spongy bone portions.The density of the bone is related to the activities and environment of each animal. For example, birds that fly and need to be lightweight tend to have bones with a higher percentage of air spaces and spongy bone, which reduces weight. Cattle, on the other hand, have denser bones to support their larger bodies and movements on land.
Brown eyes are dominant over blue eyes for a particular litter of puppies. What could account for a litter of puppies that had more blue eyes than brown eyes? Brown eyes are dominant over blue eyes for a particular litter of puppies. What could account for a litter of puppies that had more blue eyes than brown eyes?
Each parent provided both dominant and recessive genes in equal numbers.
⊝
Genes from both parents were dominant.
⊝
Genes from both parents were recessive.
⊝
One parent provided dominant genes and one parent provided recessive genes.
Answers
Answer:
Genes from both parents were recessive
Explanation:
Which of the following is true about respiration in plants? Question 3 options:
A. Plants do not respire.
B. Plants respire at night.
C. Plants respire all the time.
D. Whereas animals produce carbon dioxide, plants produce oxygen at the end of respiration.
Answers
Answer:
plants respire at night
Assuming that H0 = 70 km/s/Mpc , calculate the mass of the parent galaxy.
A small satellite galaxy is moving in a circular orbit around a much more massive parent and just happens to be moving exactly parallel to the line of sight as seen from Earth. The recession velocities of the satellite and the parent galaxy are measured to be 6450 km/s and 6500 km/s , respectively, and the two galaxies are separated by an angle of 0.1∘ in the sky.
Answers
Unexpectedly, a cubesat galaxy is orbiting a much larger parent galaxy in a straight line, perfectly parallel to the direct line of sight from the Earth.
What does the word "parent" mean?
To raise and nurture like a parent would: "A genitor that doesn't parent the child is not that child's parent" (Ashley Montagu). 2. To bring into being; to originate. becoming a parent. [Middle English] [Old French, from Latin parns, parent-, from past tense of parere, to bear children; see per- in Indo-European origins.]
A biological parent is what?
A individual whose gamete produced a child—a male thru the sperm and a female thru the ovum—is said to be the biological parent. First-degree relatives and sharing 50% genetic material are the biological parents. A woman can use surrogacy to become a parent as well.
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Temperatures increase in the________ and ______layers of the atmosphere.
Answers
Answer:
Thermosfere
Explanation:
Temperatures increase in the_Thermosfere __ and troposphere _layers of the atmosphere.
How does the ocean contribute to the world's climate?
Answers
Answer:
The oceans influence climate by absorbing solar radiation and releasing heat needed to drive the atmospheric circulation.
a. Write a hypothesis and identify the variables you will test.
Answers
The hypothesis is; Increasing the concentration of fertilizer will lead to an increase in plant growth.
The variables to be tested are; concentration of fertilizer and plant growth.
What is a hypothesis?A hypothesis is a speculative claim or explanation put forth based on scant data and used as a springboard for additional research or trial. It is an educated guess or testable prediction regarding the correlation between two variables or phenomena.
By manipulating the concentration of fertilizer as the independent variable and measuring the resulting plant growth as the dependent variable, we can test the hypothesis and determine if there is a correlation between fertilizer concentration and plant growth.
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6. Universal indicator paper is used to tell whether chemicals are acid or alkali.
Answers
Paper form: It is a strip of coloured paper which changes colour to red if the solution is acidic and to blue, if the solution is basic.
What is produced besides a polymer during dehydration synthesis?
Answers
Answer:
They are an important type of chemical reaction for living organisms since they produce many important biological polymers like proteins and polysaccharides.
Explanation:
One summer, a sinkhole opened up in a swamp and all of the water in the swamp dried up. The next summer, there was an extraordinary amount of rain, and the dry basin that had been the swamp filled with water. The environmental change that occurred in the second year acted to
A. decrease the stability of the swamp ecosystem.
B. slow climate change in the swamp ecosystem.
C. increase the stability of the swamp ecosystem.
D. speed up climate change in the swamp ecosystem.
Answers
what progeny type would be expected from no disjunction in meiosis II in both males& females?
Answers
Answer:
PhwuwfhxilzjjzfBafajgeheisusojsjbznzbzbzbzbznzmznznznnxmznznmznznnbfqwhhkskkskkkklkejsskjsjdjxjizkji_ijisisiisjhzzlzv0zkzkskkksj
Submission 3 Capstone Project: How can you make your community more environmentally sustainable? Below are 3 Crosscutting Concepts. Select two and provide an explanation for how your investigation/”research” on energy usage in the home addresses them.
1.Crosscutting Concepts Patterns: Observed patterns in nature guide organization and classification and prompt questions about relationships and causes underlying them. Explanation
2. Cause and Effect: Claim uses empirical evidence to differentiate between cause and correlation, and supports specific cause and effect relationships. Explanation
3.Explanation Stability and Change: Analysis and explanation of geoscience data and global climate models show that a change in one Earth system can result in feedbacks (negative or positive) that can stabilize or destabilize a system. Explanation
Answers
Crosscutting Concept: Patterns
Patterns observed in the natural world facilitate organization and classification, as well as raise inquiries about the underlying relationships and causes.
During my exploration of energy usage in residential settings, I discerned several discernible patterns. For instance, a prominent pattern emerged, indicating that the bulk of energy consumption in homes pertains to heating and cooling, followed by lighting and appliances. Moreover, I discovered that energy usage displays notable variations based on factors such as dwelling size, number of occupants, and climatic conditions.
These identifiable patterns enable us to comprehend the factors influencing energy consumption and identify avenues for conservation. By acknowledging that heating and cooling dominate energy use, we can channel our efforts towards enhancing the efficiency of these systems.
Patterns Cause and Effect?Utilizing empirical evidence, claims can differentiate between causal relationships and mere correlations, thus supporting the establishment of specific cause and effect linkages.
During my investigation into energy usage in residential environments, I employed empirical evidence to unveil distinct cause and effect associations. For instance, I observed a positive correlation between energy consumption and dwelling size. This relationship can be attributed to the increased energy requirements for heating and cooling in larger homes.
Similarly, I discovered that energy consumption rises alongside the number of occupants. This phenomenon arises due to the presence of more individuals utilizing appliances and lighting fixtures.
These cause and effect relationships foster a deeper comprehension of how our choices impact energy consumption. For instance, if we aspire to curtail our energy usage, we can opt for smaller homes or limit the number of occupants.
Crosscutting Concept: Stability and Change
Analysis and explication of geoscience data and global climate models reveal that modifications within one Earth system can yield feedback loops, which can either stabilize or destabilize the system.
Throughout my examination of energy usage in residential settings, I ascertained that alterations in a single energy-consuming appliance or behavior can trigger a chain reaction affecting other appliances and behaviors. Consider replacing inefficient light bulbs with energy-efficient alternatives; this simple change can prompt a behavioral shift to turn off lights when leaving a room, subsequently resulting in a substantial reduction in energy consumption.
These feedback loops empower us to comprehend how our choices can influence the environment. For instance, collectively opting for reduced driving can mitigate air pollution and greenhouse gas emissions.
By comprehending the crosscutting concepts of patterns, cause and effect, and stability and change, we can make informed decisions regarding energy usage. These choices enable us to diminish our environmental footprint and forge a sustainable future.
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why might polar bears become extinct?
A.) Did not have any Predators.
B.)They're take for is not suited for a warming climate.
C.)Too many people hunt them.
D.)They may drown when the glaciers melt.
Answers
NEED HELPPPPPPPPP
!!!!!!30 points!!!!!!
Answers
Answer:
Genotype Ratio: 1:4
Phenotype Ratio: 1:4
Explanation:
Tt x tt
So, it tells us that for sure the mother has 2 recessive alleles and the father has for sure at least 1 dominant allele and 1 recessive allele (we know this because the offspring can only have a recessive trait if the offspring has 2 recessives, this can only happen if the father has a dominant and a recessive allele). If you put this into the Punnett Square you should find that the probability of Tt is 50% and tt is also 50%.
this would make both the Genotype and the Phenotype 1:4
Which statement explains a potential benefit of being a naturally polyploid organism, such as a banana or an amphibian? (1 point) O Natural polyploidy may decrease the rate of mitosis in cells. O Natural polyploidy may protect a cell from harmful mutations. O Natural polyploidy may increase an organism's size. O Natural polyploidy may protect a cell from gene duplicity.
Answers
The statement that explains a potential benefit of being a naturally polyploid organism is that Natural polyploidy may protect a cell from harmful mutations. That is option B.
What is naturally polyploid organism?A naturally polyploid organism is the type of organism that has three or more complete chromosome sets.
Chromosomes are those genetic materials of the cell that houses the hereditary information of the whole organism.
Organisms that are naturally polyploids has the benefit of being protected against harmful mutations because the organism inherits multiple copies of each chromosome and hence multiple copies of each gene.
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If the frequency of the black allele %B allele for the moth coloration gene in the newly founded island population of moths in your genetic drift lab simulation was 78% what was the frequency of the white allele %b allele in the same population at the same time? A. 19.5% B. 22% C. 39% D. 78% or E. Impossible to determine
Answers
Answer:A
Explanation:
Under genetic drift effects, the allelic and genotypic frequencies of a population change through generations. In the exposed example, the frequency of the white allele in the same population at the same time is f(b) = 22%.
-------------------------
Available data:
Frequency of the dominant allele, B = 78% = 0.78 Frequency of the recessive allele, b = ??Genetic drift lab simulation ⇒ Founder effectWe need to find out the frequency of the recessive allele is this new population. But before answering the question, let us review what the genetic drift is.
Genetic drift is an evolutionary mechanism. Genetic drift is the random change that occurs in the allelic frequency of a population through generations. The magnitude of this change is inversely related to the size of the original population. Its effects are harder in a small-sized population. These changes produced by genetic drift accumulate in time. Eventually, some alleles get lost, while some others might set. Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure -bottleneck effect- or because of a population split -founder effect-.When the small population increases in size, it will have a genetically different composition from the original one. Genetic variability is reduced, and there exists the possibility of developing a peculiar allelic composition.
According to this information, we know that allelic frequencies vary from generation to generation. So probably, if we need to calculate allelic and genotypic frequencies in the next generation, they will be different from the frequencies in this generation.
However, in this problem, we need to determine the frequency of the recessive allele at the same time, meaning in the present generation.
Since they are frequencies, their addition must equal one. So all we need to do is to clear the following equation,
p + q = 1
being
p the dominant allele frequency, f(B) = 0.78q the recessive allele frequency, f(b) = ??0.78 + q = 1
q = 1 - 0.78
q = 0.22 = 22%
The frequency of the white allele in the same population at the same time is f(b) = 22%.
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Question 7 of 10
Which of the following is a way group behavior can help a human community
survive?
O A. Constructing housing
OB. Consuming more products
OC. Growing individual gardens
OD. Polluting the water supply
SUBMIT
Answers
Constructing housing. The correct option is A
What is Constructing housing ?Building and constructing residences or other sorts of structures meant for human habitation is referred to as housing constructing. Depending on the geography and the resources available, several materials and techniques might be used for building homes.
Building homes can fulfill a basic human survival requirement for shelter and protection from the elements. Group dynamics can also facilitate the sharing of information and assets needed for house construction, such as building methods and materials.
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Which class is a lever with the fulcrum located between the effort and resistance?
Answers
A class 1 lever has the fulcrum positioned between the effort and resistance, allowing for the amplification of force or the achievement of balance.
The class of lever with the fulcrum located between the effort and resistance is called a class 1 lever. In this type of lever, the fulcrum is positioned in the middle, with the effort applied on one side and the resistance on the other. Class 1 levers are commonly seen in tools such as seesaws and crowbars. They can be used to amplify force or achieve balance. When the effort is applied closer to the fulcrum than the resistance, a mechanical advantage is gained, allowing a smaller effort to move a larger resistance. On the other hand, if the effort is applied farther from the fulcrum, a mechanical disadvantage is created, requiring a larger effort to move a smaller resistance.For more questions on force
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the way president Ulysses s. grant ran his cabinet in a military style rather than civilian contributed too many scandals in his administration
A) true
B) false