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mr Goodwill [35]
3 years ago
15

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

Social Studies
2 answers:
Helga [31]3 years ago
4 0

Answer:

variations in DNA length

WINSTONCH [101]3 years ago
3 0

Answer:

different variations of genes

Explanation:

DNA length has nothing to do with differences in physical characteristics. Chromosomes control hair color but the number and sizes of chromosomes doesn't play any sort of factor. Different variations of genes is the only answer that makes sense.

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