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What causes the differences in physical characteristics like hair color among people? different versions of genes variations in DNA length different numbers of chromosomes variations in cell nucleus size
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What causes the differences in physical characteristics like hair color among people?

different versions of genes
variations in DNA length
different numbers of chromosomes
variations in cell nucleus size

User Owain Van Brakel
by
8.2k points

2 Answers

6 votes

Answer:

A

Step-by-step explanation:

Different versions of genes

User David Makogon
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7.5k points
5 votes

Answer:

The answer is A. different versions of genes

User Binarez
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8.7k points
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