This is the blog for GW students taking Human Evolutionary Genetics. This site is for posting interesting tidbits on: the patterns and processes of human genetic variation;human origins and migration; molecular adaptations to environment, lifestyle and disease; ancient and forensic DNA analyses; and genealogical reconstructions.

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GWHEG figure

Monday, November 12, 2018

Civil War POW study finds a father's stress can alter a son's genetics


A new study of the offspring of Union soldiers adds to a growing body of evidence that suggests traumatic events experienced by one generation can have profound effects on the next. This all concerns the growing field of epigenetics, the ability for our DNA to be affected by and interact with the environment. The study, based on an analysis of National Archives records of Civil War prisoners of war and their families, turned up stories of surviving captivity in the notorious Andersonville prison in Georgia, where crowding, starvation, and poor sanitation were rampant. To see how these conditions affected or did not affect POWs and their offspring, click here.

For the full study, click here.

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