ironisbae12345
ironisbae12345 ironisbae12345
  • 16-10-2020
  • Chemistry
contestada

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

Respuesta :

horseydino horseydino
  • 16-10-2020
DNA
sorry if it’s wrong, but that answer seems reasonable
Answer Link
neb14 neb14
  • 05-11-2020

Answer:

b

Explanation:

i took the test

Answer Link

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