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Lina20 [59]
3 years ago
12

What causes the difference in physical characteristics like hair color among people?

Biology
2 answers:
Nadya [2.5K]3 years ago
7 0
Different versions of genes
sveta [45]3 years ago
7 0

Answer: A

Explanation:

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Which safety practice should always be done at the beginning and the end of a microbiology lab
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