Friday, September 30, 2011

Invasion of genomic parasites triggered modern mammalian pregnancy, study finds

"ScienceDaily (Sep. 26, 2011) — Genetic parasites invaded the mammalian genome more than 100 million years ago and dramatically changed the way mammals reproduce -- transforming the uterus in the ancestors of humans and other mammals from the production of eggs to a nurturing home for developing young, a new Yale University study has found."

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