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What causes the differences in physical characteristics like hair color among people? A: different version of genes B. Variations in DNA length C. Different number of chromosomes D. Variations in nucleus
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What causes the differences in physical characteristics like hair color among people?

A: different version of genes

B. Variations in DNA length

C. Different number of chromosomes

D. Variations in nucleus size

Hurry in a test

User Mieka
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8.1k points

1 Answer

4 votes

Answer:

A

Step-by-step explanation:

isn't really that hard... no offence

User MBZ
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