Popgen practice problems Fall 2009

Popgen practice problems Fall 2009 - POPULATION GENETICS -...

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Unformatted text preview: POPULATION GENETICS - PRACTICE PROBLEMS FALL 2009 These problems are designed to help you understand the concepts covered in lecture and section. However, merely completing this set of practice problems is not sufficient preparation for the exam be sure to review the lecture slides as well! You should start getting in the habit of showing your work and stating the assumptions you make in each problem. Problem 1: For the scenarios given below, circle the more important evolutionary force. N e = 4 ,s = 0 . 04: drift selection N e = 4 ,m = 0 . 6: drift migration m = 1 ,s = 0 . 04: migration selection Problem 2: You study evolution by natural selection in guppies found in Trinidad. In one of your streams, there are two populations of guppies separated by a waterfall. In the population below the waterfall, adult guppies are often eaten by a cichlid fish. There are no natural predators above the waterfall. You want to know if predation on adults has caused the guppies to mature earlier....
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Popgen practice problems Fall 2009 - POPULATION GENETICS -...

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