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Medical News and Perspectives
March 2, 2005

Genetic Variant Boosts Fertility

JAMA. 2005;293(9):1050. doi:10.1001/jama.293.9.1050

Researchers have observed what appears to be a clear example of natural selection in a human population with their discovery that inversion of a large stretch of DNA is linked to increased reproductive success (Stefánsson et al. Nat Genet . 2005;37:129-137). Their study points to the feasibility of studying the selective effects of other genetic variants and determining their deleterious and advantageous effects.

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