In Part 1, how many different combinations of genes for hair body and hair color are possible? List them.

The amount of combinations of genes for hair body and hair color has not been firmly established.

Explanation:

The hair colors genetics has not been firmly established. In accordance with one theory, at least two pairs of gene is required to control human hair color. One phenotype (brown/blonde) can have both the dominant brown allele and the recessive blond allele. A person having a brown allele will have brown hair; a person without the brown alleles will have blond hair.