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9. The rock pocket gopher lives in an area of the American Southwest where the i

ID: 21823 • Letter: 9

Question

9. The rock pocket gopher lives in an area of the American Southwest where the
is sandy or black lava rock. Tan mice produce a black offspring approximately
once every thousand years. If we assume that the black mice have a 1% fitness
advantage over tan mice on the black lava rock, simulation suggests that the
population will be 95% black mice in _____ generations. If they have a fitness
advantage of ten percent it will take ________ generations.
a. 1,000,000,000 1,000,000 b. 1,000,000 1,000,000,000
c. 1,000 100 d. 100 1,000 e. 1 10
10. Some

Explanation / Answer

a. 1,000,000,000 1,000,000 d. 4