Article
Within-population Y-linked genetic variation for lifespan in Drosophila melanogaster.
Journal of evolutionary biology - 1 Nov 2015
Griffin R M, Le Gall D, Schielzeth H, Friberg U
Abstract excerpt
The view that the Y chromosome is of little importance for phenotypic evolution stems from early studies of Drosophila melanogaster. This species' Y chromosome contains only 13 protein-coding genes, is almost entirely heterochromatic and is not necessary for male viability. Population genetic theory further suggests that non-neutral variation can only be maintained at the Y chromosome under special circumstances....
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