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  3. Unit 4. evolutionary processes
  4. The evolution of populations
  5. Population evolution

19.1 Population evolution  (Page 7/18)

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7 / 18  One of the original Amish colonies rose from a ship of colonists that came from Europe. The ship’s captain, who had polydactyly, a rare dominant trait, was one of the original colonists. Today, we see a much higher frequency of polydactyly in the Amish population. This is an example of:
A  natural selection
B  genetic drift
C  founder effect
D  b and c
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Practice MCQ 4 FlashCards 3 Key Terms 8

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Source:  OpenStax, Biology. OpenStax CNX. Feb 29, 2016 Download for free at http://cnx.org/content/col11448/1.10
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