Article
Unexpected high genetic diversity in small populations suggests maintenance by associative overdominance.
Molecular ecology - 1 Dec 2017
Schou Mads F, Loeschcke Volker, Bechsgaard Jesper, Schlötterer Christian, Kristensen Torsten N
Abstract excerpt
The effective population size (Ne ) is a central factor in determining maintenance of genetic variation. The neutral theory predicts that loss of variation depends on Ne , with less genetic drift in larger populations. We monitored genetic drift in 42 Drosophila melanogaster populations of different adult census population sizes (10, 50 or 500) using pooled RAD sequencing. In small populations, variation was lost...
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