Last Updated: Thursday, December 5, 2013, 21:04
Lab mice trained to fear a particular smell can transfer the impulse to their unborn sons and grandsons through a mechanism in their sperm, a study said Sunday.
Last Updated: Monday, July 16, 2012, 10:44
Environment can have a strong influence on genes in the womb and could account for differences in identical twins, according to a new study.
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