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Alenkasestr [34]
3 years ago
5

What is the function of the protein keratin?

Biology
2 answers:
nexus9112 [7]3 years ago
4 0
The correct answer to this question is:
<span> to provide support and structure for cells in hair, skin, and nails</span>
solmaris [256]3 years ago
3 0
The answer to the question is A
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Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers and the other has white, terminal flowers;
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Answer:

3/16

Explanation:

Two true-breeding stocks of pea plants are crossed. One parent has red RR, axial flowers AA and the other has white rr, terminal flowers aa

Parent cross RRAA x rraa

Gamete: RA x ra

F1 gen. RrAa

Selfing of F1. RrAa x RrAa

F2 offspring

Rr x Rr Aa x Aa

RR Rr rr AA Aa aa

3/4 red 1/4 white 3/4 axial 1/4terminal

Probability of plants with white axial flowers is 1/4*3/4 = 3/16

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