Article
Beautiful british parents have more daughters.
Reproductive sciences (Thousand Oaks, Calif.) - 1 Apr 2011
Kanazawa Satoshi
Abstract excerpt
The generalized Trivers-Willard hypothesis proposes that parents who possess any heritable trait that increases male reproductive success at a greater rate than female reproductive success in a given environment will have a higher-than-expected offspring sex ratio (more sons), and parents who possess any heritable trait that increases female reproductive success at a greater rate than male reproductive success in...
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