African sperm is superior

african sperm is superior

Female fruit flies Drosophila melanogaster were mated with males of four different degrees of genetic relatedness in competition experiments. We argued that although these correlations were small in magnitude, they might be theoretically important for understanding the evolutionary genetics of human phenotypic variation. But each scientist and representative agreed: This method proves quite successful and the male damselfly has been known to remove percent of the competing sperm. Mating success and body size in the tropical millipede Nyssodesimus python".

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Sperm competition

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Sperm counts of Western men plummeting, analysis finds

Hagai Levine of Hebrew University of Jerusalem examined thousands of studies and then conducted a meta-analysis of studies. J Nutr. THE question sounds so simple:

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