An earthquake decimates a ground-squirrel population, killing 98% of the squirrels. 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? genetic drift by a founder event O directional selection gene flow O genetic drift by bottleneck effect D disruptive selection
An earthquake decimates a ground-squirrel population, killing 98% of the squirrels. 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? genetic drift by a founder event O directional selection gene flow O genetic drift by bottleneck effect D disruptive selection
Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter11: Evolution And Its Processes
Section: Chapter Questions
Problem 7RQ: In which of the following pairs do both evolutionary processes introduce new genetic variation into...
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![An earthquake decimates a ground-squirrel population, killing 98% of the squirrels. 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?
genetic drift by a founder event
O directional selection
O gene flow
O genetic drift by bottleneck effect
O disruptive selection](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fff3fe3fb-3177-4e1a-8455-21a57f54e73f%2Fb51b7e29-ba9a-4245-95ac-e77e2b220bbe%2Fvnm86l5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An earthquake decimates a ground-squirrel population, killing 98% of the squirrels. 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?
genetic drift by a founder event
O directional selection
O gene flow
O genetic drift by bottleneck effect
O disruptive selection
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