Question 76 / 120:  An epicanthic fold of skin is commonly found among Northern Asians. This feature may have been advantageous in the bitter cold temperatures of Mongolia and parts of Northern China. Though during modern times this feature has lost its significance, it is still quite prominent among Asians. This an example of which of the following?
A  Natural selection
B  Genetic drift
C  Mutation
D  Migration
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Evolutionary Biology & Ecology BIO102

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Attribution:  Olivia D'Ambrogio Introduction to Evolutionary Biology and Ecology. (The Saylor Academy 2014), http://www.saylor.org/courses/bio102/ (Accessed 16 May, 2014). License: Creative Commons BY-NC-ND
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