Biology, 29.01.2020 05:40 gavergan

An earthquake decimates a ground-squirrel population. the surviving population happens to have broader stripes on average than the initial population. if broadness of stripes is genetically determined, what effect has the ground-squirrel population experienced during the earthquake?
a. directional selection
b. disruptive selection
c. a founder event
d. a genetic bottleneck

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