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

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

User Les Nightingill
by
4.6k points

2 Answers

7 votes

Answer:

The answer is a

Step-by-step explanation:

User Ouyang Tingting
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9 votes
different versions of genes
User Pikk
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