Mammals can Decide the Gender of Their Offspring: Study July 14, 2013 California

California Deer Population, Management News and Information Archive

Mammals can Decide the Gender of Their Offspring: Study July 14, 2013 California,
... Among wild red deer, dominant mothers produced significantly more sons than deer who held a subordinate position within the herd... After analyzing 90 years of breeding records from the San Diego Zoo, researchers at the Stanford University school of medicine were able to prove the fundamental theory of evolutionary biology that states that mammals rely on some physiologic mechanism to manipulate the sex ratios of their offspring as part of highly adaptive evolutionary stage. ...

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