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gayaneshka [121]
3 years ago
10

Natural selection acts directly on an organisms's

Biology
2 answers:
pentagon [3]3 years ago
6 0
Phenotypes acts like cells which produce blood cells and which carrys the blood cells from the heart and acts like a brain do to chronological species, but some may say the brain controls the heart but due to science the brain only controls what you think hear and see so yes phenotypes is the answer
Alex3 years ago
4 0
Phenotypes (characteristics) NOT THE ALLELES
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In certain mice, long tails (T) are dominant over short tails (t). If 2 hybrid mice mate, what will the outcome be?
yuradex [85]

Answer:

3 long tails : 1 short tail

Explanation:

This question involves a single gene coding for tail length in mice. The allele for long tail (T) is dominant over the allele for short tail (t). This means that an heterozygous mice will possess the long tail length.

According to this question, in a cross between two hybrid or heterozygote mice i.e. Tt × Tt, the following gametes will be produced by each parent:

Tt - T and t

Using these gametes in a punnet square (see attached image), the following will be produced: TT, Tt, Tt and tt.

Offsprings with genotype TT, Tt and Tt will have a LONG TAIL while genotype  tt will have a SHORT TAIL. Hence, the phenotypic ratio will be 3 long tails : 1 short tail.

7 0
2 years ago
The condition pulmonary fibrosis is caused by the replacement of elastic fibers in the lung with inelastic collagen fibers, whic
JulsSmile [24]

Answer:

Pulmonary fibrosis is a disease that affects the lungs. The lung tissue becomes damaged and scarred which causes it to be thickened and stiff.

The condition pulmonary fibrosis is caused by the replacement of elastic fibers in the lung with inelastic collagen fibers. This decreases the lungs’ ability to stretch outwards.

Pulmonary fibrosis however mainly affects inspiration because the lungs cannot stretch to increase volume while during expiration stretching of the tissues doesn’t happen so it doesn’t affect the process.

4 0
3 years ago
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Each trait of a plant is determined by
n200080 [17]
By it alleles, and there genes what one plant have the other may not have see it all depends on the out come of the alleles-genes that they come up with .

 This shouldd helpp broo .
6 0
3 years ago
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Why is the color of the “orange” tangerine, and the color of the “tangerine” orange
podryga [215]
They both describe each other so it would make some sense that they would name the color after it ‍♀️
7 0
3 years ago
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How do mutations enter the gene pool? Why are they important to natural selection?
IRINA_888 [86]
The set of all alleles at all loci is the full gene pool<span> for the species. Over time, the size of a </span>gene pool<span> changes. The </span>gene pool<span> increases when a </span>mutation<span> changes a </span>gene<span>and the </span>mutation<span> survives </span>
8 0
3 years ago
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