X Inactivation

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Paul Andersen explains how X inactivation works in mammals. This process was first described by Mary Lyon. Each cell in a female will have on activated and one inactivated X chromosome. This explains why almost all calico cats are female. • Intro Music Atribution • Title: I4dsong_loop_main.wav • Artist: CosmicD • Link to sound: http://www.freesound.org/people/Cosmi... • Creative Commons Atribution License

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