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Vanyuwa [196]
3 years ago
6

In mice, black color (B) is dominant to white (b). At a different locus, a dominant allele (A) produces a band of yellow just be

low the tip of each hair in mice with black fur. This gives a frosted appearance know as agouti. Expression of the recessive allele (a) results in a solid coat color. If mice that are heterozygous at both loci are crossed, ___ out of 16 will be black in color.
Biology
1 answer:
artcher [175]3 years ago
4 0

Answer:

3

Explanation:

Heterozygous mice at both loci would be BbAa genotype.

B (black) is dominant over b (white) but the presence of A results in agouti.

Crossing two heterozygous:

     BbAa    x    BbAa

Progeny

<em>9 B_A_ - Agouti</em>

<em>3 bbA_ - agouti</em>

<em>3 B_aa - Black</em>

<em>1 bbaa - white</em>

Hence, 3 out of 16 progeny will be black in color.

<em>See the attached image for the Punnet's square analysis of the cross.</em>

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Explanation:

Answer is: If the amount of snakes increased, the number of rabbits decreases.

A food chain refers to a linear arrangement of associations in a food web beginning from producer species and terminating at zenith predator species. In the given question, the increase of snakes population will eventually result in a decrease of rabbit population, a rabbit is a herbivore which is consumed by the higher predator snake.

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What term is used to describe organisms composed of identical and unspecialized cells?
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Answer:

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Explanation:

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Explanation:

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It should be noted that the liver develops as a ventral outgrowth of the embryonic foregut. It also helps in the incorporation of both the endodermal and the mesodermal components. Furthermore, it's developed in the ventral mesentery and is connected to the stomach by the lesser omentum.

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