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

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05-11-2020

Answer:

b

Explanation:

i took the test

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