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AURORKA [14]
2 years ago
7

URGENT PLZ ANSWER ASAP

Biology
1 answer:
Drupady [299]2 years ago
7 0

Answer:

A

Explanation:

i think that's the answer but I'm not sure

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In chickens, comb shape is determined by genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant
slega [8]

Answer:

1:1:1:1 walnut comb

Explanation:

If a cross is made between a female who is RRpp (rose comb) and a male who is rrPP (pea comb)  then:

P: RRpp  x  rrPP

F1: RrPp RrPp RrPp RrPp

This means that all of the offspring in F1 generation will have heterozygous genotype (at both loci). Since it contains both dominant alleles, the phenotype is walnut comb.

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2 years ago
Use the concept of natural selection to explain how a population of moths might evolve if only a few members can blend in with t
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Answer:

A great example is the peppered moths evolution. Since the Industrial Revolution the birch trees started to turn black from the soot. This casued all the white moths to be eaten from birds. The ones that were left to mate were black moths which favored the black gene. So overtime black moths became more common. They were naturaly selected based on color to survived and pass down their black colored genes.  

Explanation:

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3 years ago
Human population growth is currently most rapid in
kirill115 [55]
It is more rapid in the earth I’m just kidding it’s more rapid in the Middle ages
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Why is cytoplasm like jelly
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it divides organelles so don't they run into each other
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Proteins are broken down into ___________ by the enzyme ____________
sergij07 [2.7K]

Answer: Proteins are broken down into amino acids by protease enzymes.

Explanation:

Protein is an essential nutrients which is needed for growth and development. Protein is the major constituent of hormones, enzymes, eyes, muscles e.t.c.

The protein sources are eggs,beans,meats, milk e.t.c.

Protein digestion start in the stomach. Once protein consume get to the intestine, hydrochloric acid and protease enzymes breakdown protein into amino acids.The Amino acids are linked together by peptides bond. The perform this by cleaving to the peptides bond within the protein by a process called hydrolysis.

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