Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. If two heterozygous individuals with polka-dot tails mate, what's the probability of the phenotype and genotype combinations of the offspring?

A. 25 percent chance of a polka-dot tail and 75 percent chance of a solid colored tail (25 percent PP; 50 percent Pp; 25 percent pp)
B. 50 percent chance of a polka-dot tail and 50 percent chance of a solid colored tail (50 percent PP; 50 percent pp)
C. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (25 percent PP; 50 percent Pp; 25 percent pp)
D. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (75 percent Pp; 25 percent pp)

Answers

Answer 1
The correct answer is C. As Pp (heterozygous allele) crosses with Pp( another heterozygous allele), the resultant genotypes would be PP, Pp, Pp, pp. This confirms that 25 percent of the population would be homozygous polka-dotted, another 25 would be homozygous solid colored, and rest of the 50 percent would be heterozygous polka. Thus, a total of 75 percent would be polka-dotted.

Related Questions

Which sensation(s) does the vestibulocochlear nerve carry?

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this is the answer check it out

How does the fluid sideways motion of the plasma membrane allow water to freely pass into and out of the cell?

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Membrane proteins float in the phospholipid bilayers and then it uses selective permeability to allow certian substances to pass through.

Enzymes lower the amount of activation energy needed for a chemical reaction to take place. In the picture above, an enzyme inhibitor has been placed between the enzyme and the substrate. Which of the following ideas best explains what is happening in the picture.

The substrate will be able to bond with the enzyme and the reaction will take place.
The stubstrate will be unable to attach to the enzyme
The immune system will see the enzyme as a foreign invader and attack it.
The enzyme will be unable to produce more enzymes.

Answers

Usually enzyme inhibitors slow down the enzymes activity, so in this case, I would put D.

In the induced-fit model of enzymes, a substrate associates itself with which part of an enzyme?

Answers

Its called the Active Site. The active site also remains when the enzyme and substrate react.

Final answer:

In the induced-fit model of enzyme action, a substrate associates with the enzyme's active site, where the enzyme's conformation undergoes changes to achieve an ideal fit and reaction conditions.

Explanation:

In the induced-fit model of enzymes, a substrate associates with the active site of an enzyme.

Understanding the induced-fit model begins with the substrate approaching the enzyme. Substrates bind to the enzyme's active site, forming an enzyme-substrate complex (a) and (b). The enzyme then undergoes conformational changes (c) to better accommodate the substrate, enhancing the reaction by correctly orienting the substrate towards its transition state. Finally, the reaction products are released, and the enzyme returns to its original form, ready to catalyze another reaction (d).

This model illustrates how enzyme flexibility allows active sites to adjust their shape for different substrates while maintaining specificity, with only certain substrates fitting into the active site. This is due to the enzyme's ability to undergo dynamic structural adjustments, ensuring a precise interaction between the enzyme and the substrate, which facilitates the catalytic process.

How do abiotic factors change within a community as a result of the succession of vegetation?

someone help plss

Answers

If at first there was only grass in the community, the organisms living there would not be very protected by the wind and you could say that the wind is strong. 
If, later, in that same community, there grows a thick forest, the trees would shelter the organisms from the wind organisms hiding behind or inside trees would be able to hide, the living factor wind had changed in that community as a result of the succession of vegetation.

The abiotic factors in the community have changed as the vegetative cover increases: more vegetative cover leads to the consumption of more water due to the presence of life forms; a dense forest is the result of less sunlight on the ground; and so on.

What is the importance of abiotic factors in a community?

Abiotic factors are non-living physical and chemical elements in the environment that can influence the growth and behavior of living organisms, such as temperature, light, water, soil, and air quality and these factors, determine species survival rate, can have a significant impact on the structure and functioning of a community, for example, if a community is located in an area with cold winters, only species that are adapted to survive in cold temperatures will be able to survive there.

Hence, the abiotic factors in the community have changed as the vegetative cover increases: more vegetative cover leads to the consumption of more water due to the presence of life forms; a dense forest is the result of less sunlight on the ground; and so on.

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Eli can remember what he did last week, but he cannot remember the birth of his cousin (which happened immediately before eli received a head injury in a motorcycle accident). what is eli's condition?

Answers

Eli's condition is called "Retrograde Amnesia."  With this type of amnesia, a person can remember only things that happened after the injury occurred. They may lose all the memories that they had before an accident or before a certain type of illness, like a disease. They will also forget anything they learned before having Retrograde Amnesia. This can be permanent or the patient may recover some memories after a while. 

European cuckoo birds lay their eggs in the nest of other bird species, allowing the other birds to raise their young. the cuckoo birds are therefore:

Answers

 The young of the cuckoo birds kill the other birds young and the parents of the other bird spices raises the cuckoo bird as its own leaving the European cuckoo bird who had laid the egg to continue with its life without having to raise its young.

European cuckoo birds and other species engage in brood parasitism, laying their eggs in the nests of other birds to avoid parental care.

European cuckoo birds practice brood parasitism by laying their eggs in the nests of other bird species, letting the host birds raise their young. This behavior allows cuckoos to avoid the high costs of parental care. Some other bird species, like cowbirds, also engage in similar parasitic behavior by laying their eggs in other birds' nests.

What occurs when myocardial tissue is destroyed in areas of the heart that are deprived of an adequate blood supply?​?

Answers

The appropriate response is Myocardial Infarction. It is ordinarily known as a heart assault, happens when blood stream declines or stops to a piece of the heart, making harm the heart muscle. The most widely recognized side effect is chest agony or uneasiness which may go into the shoulder, back, neck, or arm.

How the changing species concept has affected classification systems

Answers

Answer:

Affects directly.

Explanation:

Affects directly because classification systems in biology are made with a logical structure of species to get ordered groups. For example, we have Taxonomy in biology, which is created to classify species; according to scientists this task has been doing for thousands of years ago, but had a big change of perception when Darwin published his Evolution Theory.

So, the last change in this subject was with Darwin. Modern system of classification is aimed to follow the Transmutation of Species, like Charles Darwin said.

As scientist discover new species, they have to add then in the data, that affected the classification systems.

What is a classification system?

A classification system is a way to group and organize data to compare it with other data.

Different types of classification system used for different type of data.

Multiple classification systems may be used in some datasets.

As the science knowledge is elaborating, there are going to be changes in the classification system.

Thus, as the new species are discovering, that affected classification systems.

Learn more about classification system, here

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What is a condition in which nerves are entrapped between the metatarsal heads producing swelling with distal, radiating pain?

Answers

The correct answer is Morton's Neuroma.
This is a condition which affects the nerves between your toes, and causes you to feel as if you were 'walking on a marble.' You feel constant pain in the ball of your foot which can be helped relatively easy if you change your footwear. 

"according to ackerman, exactly what causes leaves to change color? what particular conditions cause the brightest colors in autumn leaves?"

Answers

When the trees prepare to face the winter the leaves stop making chlorophyll and the colors that were hidden from sight during the spring and summer came to live. The climate is responsible for the most intense colors. In years when the fall sunlight is strongest and the nights are cold and dry, the leaves show their most intense colors
After the summer solstice, daylight gradually begins to shorten. Trees consider this and pull nutrients from their leaves back to their trunk and roots. This effectively chokes off any nourishment to the leaves and leaves them scarred and unable to produce chlorophyll. This scarring and lack of chlorophyll causes the leaves to change colors and eventually they will break down and fall off the tree.

During cellular respiration, every living thing in this food web uses ______ gas and releases ______ back into the environment

Answers

oxygen; carbon dioxide

Answer:

Blank 1 is oxygen

Blank 2 is carbon dioxide

Explain what happens to muscle force production at extremes of length

Answers

The sarcomere is the basic unit of a striated muscle and the force of a muscle is directly related to the extension that the sarcomere is under. When a sarcomere is extended from 1.5 micrometres to about 3 micrometres, the muscles' force is great and max at about 2/2.5 micrometres. When the muscle is fully extended and, therefore, the sarcomere is extended over than 3 micrometres, the muscle force decreases exponentially.

A segment of DNA that is artificially created from two or more organisms through use of DNA enzymes in and out laboratory is called

Answers

i believe its Recominante DNA

Answer:

Recombinant DNA.

Explanation:

DNA is the genetic material of almost all the living organism. The different organism has different band sue to the presence of short and sequence repeats and variable number of tandem repeats.

The molecular techniques allow the hybridisation of DNA of two different organism. The DNA produced by this process is known as recombinant DNA and the technology is known as recombinant DNA technology. This technology has importance in the medicine field.

Thus, the answer is recombinant DNA.

In the circulatory system nutrients such as glucose and amino acids are transported by

Answers

In the circulatory system, nutrients such as amino acids and glucose are transported by the PLASMA.
The plasma is the liquid portion of the blood and one of its most important function is to transport materials such as glucose, amino acids, hormones, enzymes, water, etc. 

What kind of solution occurs in your mouth when you eat something with a high salt content? a hypotonic solution an isotonic solution a hypertonic solutionWhat kind of solution occurs in your mouth when you eat something with a high salt content? a hypotonic solution an isotonic solution a hypertonic solution

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Salt has a very low water potential. And therfore the answer is hypertonic solution, it means a solution with lower water potential than that of the cytoplasm in the cells. It also means a solution with higher concentration

What is evolutionary theory?

Answers

The evolutionary theory is that the animals and plants we have today evolved from something else to be able to adapt to their surroundings and be able to live on

hope this helps

Vwhat type of body movement occurs in the lower leg when a person kicks a soccer ball forward?

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Here is a diagram I found online if it helps!
Flexion and extension

In 1944 charlie chaplin was involved in a legal battle over the paternity of a child born to joan berry, a young starlet. the baby was blood type b, the mother a, and chaplin o. from what you know about the inheritance of blood types, could chaplin have been the father of the child? (at the time of the trial, blood group evidence was not admissible in california courts. charlie chaplin was declared responsible for the child's support.)

Answers

Charlie Chaplin could not have been the father based on being a type 0 blood type. He would have had to been type A or B or AB, but O could not pass on to have a B blood type kid.

Final answer:

An individual with blood type O can be the legitimate child of parents with blood types A and B if both parents carry the recessive 'i' allele.

Explanation:

In the case of blood type inheritance, if an individual has blood type O, which is represented by the genotype ii, they must have received an 'i' allele from each parent. On the other hand, if one parent has blood type A and the other has blood type B, there are a few possible genotypes for each. The blood type A parent could be either genotype AA or AO, and the blood type B parent could be either genotype BB or BO.

If both parents were carriers of the 'i' allele, meaning that the blood type A parent has the genotype AO and the blood type B parent has the genotype BO, then they could indeed produce an offspring with the genotype ii, resulting in a child with blood type O. This is because the child would inherit the 'i' allele from each parent.

Therefore, yes, an individual with blood type O could certainly be the legitimate child of parents where one has blood type A and the other blood type B, as long as both parents carry the recessive 'i' allele.

Explain why the distribution of biomes in the northern hemisphere is similar but not identical to the distribution of biomes in the southern hemisphere

Answers

The distribution of biomes is greatly influenced by the climatic conditions. The areas receiving more rainfall are lush green with variety of diverse species growing in that region while deserts have less vegetation.
The distribution of biomes in the Northern hemisphere is similar but not identical to the distribution of biomes in the Southern hemisphere. The Northern hemisphere is characterized by long and cold winters while summers are short. The Southern hemisphere is not as colder as Northern hemisphere except Antarctica. More oceans are present in the Southern hemisphere while Northern hemisphere has larger portions of the land. Also, the mountains in the Northern hemisphere has mountains and land that act as obstruction for the wind. Whereas, the wind blows unobstructed in Southern hemisphere. These are the reasons for not having identical biomes in both the regions. 
Even though both hemispheres receive sun energy at different times of the year, the distribution of land and water mass will still play an effect as to which biomes will occur in which areas.

What role does phytoplankton Play in the food web of many aquatic ecosystems

Answers

The Phytoplankton support nutrients in water and from the base of many aquatic ecosystems.
support nutrients in the water and from the base of many aquatic ecosystems.
my teacher told

What assembles some components of the cell membrane modifies proteins has ribosomes attached to it?

Answers

The endoplasmic reticulum assembles components of the cell membrane. And because the question states that it has ribosomes attached to it, the answer would be the rough endoplasmic reticulum.
Final answer:

The rough endoplasmic reticulum (RER) is responsible for assembling some cell membrane components, and modifying proteins, and has ribosomes for protein synthesis. It also produces phospholipids for the cell membrane.

Explanation:Structure Responsible for Protein Synthesis and Modification

The cellular structure that assembles some components of the cell membrane, modifies proteins, and has ribosomes attached to it is the rough endoplasmic reticulum (RER). Ribosomes are the cellular structures responsible for protein synthesis. They are found attached to the RER, synthesizing proteins that are then transferred into the lumen of the RER, where they may undergo further modifications such as folding or receiving sugar chains. In addition to protein modification, the RER synthesizes phospholipids for the cell membrane. The modified proteins and newly made phospholipids are packed into vesicles, which then travel to and fuse with the Golgi apparatus for final modifications before being transported to their final destinations, such as the plasma membrane.

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The process of evolution toward niche divergence in the face of competition is called ____________.

Answers

Natural selection I think

The writing system used in mesopotamia is called ________.

Answers

Cuneiform. im certain 

Final answer:

Cuneiform is the writing system used in Mesopotamia. It first started as a pictographic system but evolved to include both pictographs and syllabic symbols. The script allowed different Mesopotamian cultures to adapt it to their own languages.

Explanation:

The writing system used in Mesopotamia is called cuneiform. It was first developed around 3000 BCE to keep track of tax records. Originally, cuneiform started as a pictographic system where each word or idea was represented by a symbol. However, it later evolved to include both pictographs and syllabic symbols that represent sounds.

Cuneiform was a complex writing system that was used to symbolize a great number of sounds, allowing different Mesopotamian cultures to adapt it to their own languages. The script was initially read from left to right and bottom to top. Cuneiform was primarily used for record-keeping, but it eventually evolved to include the creation of true forms of literature.

How does the equation for cellular respiration compared with the equation for photosynthesis?

Answers

In plants, photosynthesis, occurring in chloroplasts, is an anabolic (bond-building) process whereby CO2 and H2O combine with the use of light (photon) energy. This yields O2 and sugar (i.e. glucose). This occurs in 2 phases: light-dependent and dark (Calvin cycle) reactions, which both continually recycle ADP/ATP and NADP/NADPH.
The catabolic (bond-breaking) process in plants is cellular respiration, in which glucose is broken down with O2 by glycolysis (cytoplasm only) and mitochondrial reactions (Krebs cycle and E.T.C.) to yield CO2 and H2O. These reactions recycle ADP/ATP and NAD/NADH. The CO2 and water produced by cellular respiration feed into the photosynthetic processes, and in turn, the O2 and glucose resulting from photosynthesis supply the respiratory reactions.

Final answer:

Photosynthesis and cellular respiration are two essential processes in biology. The equation for photosynthesis produces glucose and oxygen, while the equation for cellular respiration uses glucose and oxygen to produce carbon dioxide, water, and ATP.

Explanation:

Photosynthesis and cellular respiration are two processes that are connected and essential for life. The equation for photosynthesis is: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2. On the other hand, the equation for cellular respiration is the direct opposite: C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP (energy).

Photosynthesis uses energy from sunlight to convert carbon dioxide and water into glucose and oxygen, while in cellular respiration, glucose and oxygen are broken down to produce carbon dioxide, water, and ATP. Therefore, the equations for the two processes represent the reverse reactions of each other.

Which of the following is an example of a beneficial mutation?
a mutation causing uncontrolled cell division in human tissue cells
a mutation inhibiting human immunodeficiency virus from entering the host cell
a mutation resulting in partial or complete loss of chlorophyll pigments in plants
a mutation resulting in a squirrel being born without ovaries

Answers

a mutation inhibiting human immunodeficiency virus from entering the host cell


Answer:

B

Explanation:

Why does the inactive x appear to stain much darker than the other chromosomes?

Answers

The inactive X is called also as Barr body. It stains much darker than the other chromosomes because of the fact that it is inactive. By being inactive it means that the chromatin of that chromosome is very compact because it is not used for gene expression. Being so compact, all the staining is concentrated creating a darker body.

A gamete from a human female contains _______. a gamete from a human female contains _______. 23 autosomes and a y chromosome 23 autosomes and either an x chromosome or a y chromosome. 22 autosomes, one x chromosome, and one y chromosome 22 autosomes and an x chromosome

Answers

The answer to this question would be: 22 autosomes and either an x chromosome or a y chromosome

The DNA count of human is 44 autosome with 1 pair of sex chromosome. A gamete will have half of the genetic material of the cell which will result in 22 autosome with 1 of the sex chromosome(either X or Y)

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

Answers

The most plausible hypothesis is: Tropical regions generally have more available water and higher levels of solar radiation. They also have very high rates of immigration and very low rates of extinction.

explanation:
Water is essential for an abundance of life, and sunlight is the means by which the whole food chain receives energy. Plants convert the sunlight into food, herbivores eat them, and other animals eat herbivores.

Hope this helps, and muchas luck on your biology.

1 pts maps can be deliberately or unintentionally developed to present false information

Answers

It is true that maps can be deliberately or unintentionally made to mislead people. For instance, if a cartographer makes a mistake on a map and it is put into print, that would be misleading. That's an example of unintentional misleading. It can also be done intentionally.
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