Question

1. examine the genotypes and phenotypes of skin color. summarize the relationship between the number of active genes and the color of the skin.

Explanation:

Skin - color is a polygenic trait. More active genes generally lead to a darker skin - color. Each active gene adds to the pigmentation. The genotype determines the number of active genes, which in turn influences the phenotype (skin - color).

Answer:

The more active genes for skin - color pigmentation, the darker the skin color. The genotype (combination of genes) determines the number of these active genes, which ultimately results in the observed skin - color phenotype.