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olasank [31]
3 years ago
5

1. What gene involved in skin pigment varies a great deal across populations?

Biology
2 answers:
Mashutka [201]3 years ago
6 0

Answer:

1.A number of genes have been positively associated with the skin pigmentation difference between European and non-European populations. Mutations in SLC24A5 and SLC45A2 are believed to account for the bulk of this variation and show very strong signs of selection.

2.Cancer can circumvent negative selective pressures due to its ability to accumulate mutations that cause genetic diversity in tumor cells as the cells proliferate. Cancer seems to have evolved a propensity for, or at the very least, a selection for fitness.

3.Folate levels decrease depending on sun exposure, study says. 05 Feb 2019 --- Folate levels decrease during the months when solar radiation is higher and ultraviolet radiation proportionately affects folate levels in the blood.

Explanation:

Ymorist [56]3 years ago
5 0

Answer:

Explanation:12werffdew

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