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Author Question: Darker skin pigmentation in the ancestors to all humans may have been an adaptation to increase ... (Read 312 times)

cabate

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on: Jan 12, 2022
Darker skin pigmentation in the ancestors to all humans may have been an adaptation to increase UV-resistance that followed the loss of fir in early hominids.  The subsequent loss of pigmentation in at least two human populations may have conferred what advantage in those populations, both of which inhabited areas with less sun exposure?
◦ less pigmentation increased vitamin D synthesis
◦ less pigmentation increased melanin synthesis
◦ less pigmentation increased energy needs
◦ less pigmentation occurred not by selection, but by genetic drift
◦ less pigmentation decreased vitamin D synthesis
Genetic Analysis: An Integrated Approach ¦ Sanders, Bowman ¦ 3rd Edition
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Marked as best answer by cabate on Jan 12, 2022

cswans24

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Reply #1 on: Jan 12, 2022
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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cabate

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Reply 2 on: Jan 12, 2022
Excellent

ricroger

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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