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Genetic drift, the founder principle, and the bottleneck effect all occur under what conditions?
Population bottlenecks occur when a population?s size is reduced for at least one generation. [ Because genetic drift acts more quickly to reduce genetic variation in small populations, undergoing a bottleneck can reduce a population?s genetic variation by a lot, even if the bottleneck doesn't last for very many generations. ]
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User: Genetic drift, the founder principle, and the bottleneck effect all occur under what conditions?

Weegy: Population bottlenecks occur when a population?s size is reduced for at least one generation. [ Because genetic drift acts more quickly to reduce genetic variation in small populations, undergoing a bottleneck can reduce a population?s genetic variation by a lot, even if the bottleneck doesn't last for very many generations. ]
matahari|Points 1449|

User: Genetic drift, the founder principle, and the bottleneck effect all occur under what conditions? a. in small populations when one genetic trait becomes more common in a population purely by chance b. in small populations and result in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits c. when a small group of organisms only reproduce with each other to create a larger population of organisms d. when the majority of a population is decimated and there are only a few remaining organisms left to rebuild the population



Weegy: Genetic drift, the founder principle, and the bottleneck effect all occur: in small populations when one genetic trait becomes more common in a population purely by chance.
Expert answered|emdjay23|Points 1766|

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Asked 7/3/2013 12:22:36 PM
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Charles Darwin spent over 20 years developing his theory of natural selection. True or False?
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Charles Darwin spent over 20 years developing his theory of natural selection. TRUE.
Added 8/23/2015 1:51:32 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [8/24/2015 4:39:20 AM]
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