Question: Question 4: We know that multiple genes (some with many different alleles) contribute to skin color, but genes alone do not account for the diversity

Question 4: We know that multiple genes (some with many different alleles) contribute to skin color, but genes alone do not account for the diversity of pigmentation we see among humans; environmental factors play a role. Propose an explanation for how one of these factors could alter the expression of skin color genes. Provide two examples of environmental factors that play a role and contribute to differences in skin color. 8 lines/sentences minimum.

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