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Ancient viral genes may determine a baby's sex

from LiveScience

It's a boy! Or maybe it's a girl, but either way, new research suggests that the sex of mouse babies, and perhaps the sex of human babies, may be influenced by a newfound way to deactivate ancient viral genes that have been embedded in mammal genomes for more than a million years. In the research, the scientists looked at viral DNA that is active in the mouse genome. more

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