Question

How have historic levels of melanin in human populations change due to migration?

1. Humans that produced less melanin became more common as populations migrated toward the equator
2. Humans that produce more melanin became More common as populations migrated toward the equator
3. Humans that produce more melanin became more common as populations migrated away from the equator
4. Humans that produced less melanin became more common as populations migrated away from the equator

Answer 1

[AI-generated answer — Bot GPT 3.5]

2. Humans that produce more melanin became more common as populations migrated toward the equator