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Mamont248 [21]
3 years ago
11

In a particular population of mice, certain individuals display a phenotype called "short tail," which is inherited as a dominan

t trait. Some individuals display a recessive trait called "dilute," which affects coat color. Which of these traits would be easier to eliminate from the population by selective breeding? Why?
Biology
1 answer:
WARRIOR [948]3 years ago
5 0

Answer:

The "short tail" dominant allele is easier to eliminate by selective breeding.

Explanation:

The only way for a recessive allele to be expressed (be visible) is when it appears as recessive homozygotic. These means the organisms need to have 2 copies of the gene. Selective breeding is based on the characteristics that one can see, so if the organism shows the "dilute" phenotype you can keep reproducing this individuals and get rid of the dominant allele.

On the other hand if you have a population with the dominant phenotype, you discard all the ones that have a recessive trait and you breed the dominant phenotype you could still get individuals with the recessive phenotype and individuals that express the dominant phenotype but are heterozygous.

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Answer: I think it is b

Explanation:

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What 6 carbon sugar serves as the primary fuel for metabolism in all living things?
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Which of the following is the most direct evidence for evolution?
Alex_Xolod [135]

Answer:

D. Fossil record.

Explanation:

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7 0
3 years ago
Choose all the answers that apply.
arlik [135]

Answer:

Option A, B, and C are correct

Explanation:

Incomplete dominance means that the trait represented by two alleles expresses themselves equally thereby hindering dominance of any of the allele completely.

Now,

Let us assume the allele of red petals be represented by "R" and the allele of white petals be represented by "r"

The pink flowers will have genotype "Rr"

Now if two pink flowers are crossed, the following offsprings are produced

Rr X Rr

RR, Rr, Rr, rr

Let us evaluate all the options one by one

a) Ration of pink flower to red flower ( Rr:RR)

There are 2 pink (Rr) flower and 1 Red (RR) , thus the ration of pink flower to red flower is 2:1. Option A is correct

b) one out of four offspring is white in color, therefore the % of white flower is

\frac{1}{4} * 100\\= 25\\%. Option B is correct

c) Two pairs RR and rr are homozygous, thus out of four offsprings two are homozygous. Therefore %of homozygous flowers will be

\frac{2}{4} * 100\\= 50\\%. Option C is correct

d) There are two heterozygous offsprings i.e Rr, therefore the % of heterozygous is \frac{2}{4} * 100\\= 50\\%. Option D is incorrect

e) half of the flowers are hybrid. Therefore option e is incorrect

Therefore, Option A, B, and C are correct

4 0
3 years ago
Which example is an inherited trait?
pychu [463]

Answer:

Eye Color.

Explanation:

You inherited your eye color and genes from your parents. You can easily change how fast you drive, your accent and your food preferences no matter who you're related to.

Have a great day!

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2 years ago
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