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Which of the following is the sources of genetic variation in human skin color?
a.
Changes in the environment throughout history.
b. Genetic drift occurs during bottleneck events. ans
c. Human migrations to different environments.d pob to Thoms
d. Mutations to the genes that code for the proteins determine skin color.
with no bavil



Answer :

GinnyAnswer

Final answer:

Genetic drift plays a role in creating genetic variation during bottleneck events, and mutations in genes coding for skin color proteins impact variations in skin color.


Explanation:

Genetic drift occurs during bottleneck events, where a sudden reduction in population size can lead to significant changes in gene frequencies, impacting genetic variation. Additionally, mutations to the genes that code for proteins determining skin color can introduce new variations affecting skin color within populations.


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