linkedin post 2017-10-10 03:26:37

GENE ACCUMULATION. “The Y chromosome is thus expected to accumulate genes beneficial for male functions, confining them to males, and male attractiveness genes in guppies are indeed often partially Y-linked. Once such genes have accumulated, there is a selective advantage to suppressing crossing over between them and the sex-determining regions of the proto-sex chromosomes.”

http://www.nature.com/hdy/journal/v95/n2/full/6800697a.html

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