152k views
11 votes
Why are some genetic traits very common in certain parts of the world (ex:

brown eyes in California, blue
eyes
in Britain, etc.)?

1 Answer

7 votes

Answer:

you are going to have less diversity in specific areas. they will typically have kids with someone they met where they live, and a person will live where they were born. same how mexican people have the same skin color in Mexico.

User Skalta
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