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X activity different in every woman.(Brief Article)

Australasian Business Intelligence, March, 2005 by Bainbridge, David

Mar 23, 2005 (New Scientist - ABIX via COMTEX)

US researchers have found that X chromosome inactivation varies incredibly among women. X inactivation is a process where one of the two X chromosomes is switched off in the embryonic stage to prevent a gene "overdose". In their study of 40 women, Laura Carrel of the Pennsylvania State University College of Medicine and Huntington Willard of Duke University found that only about 65 per cent of genes in the supposedly deactivated chromosome were switched off. They also found that 20 per cent of the genes studied were inactivated in some women but not in others.

Publication Date: 19 March 2005

PENNSYLVANIA STATE UNIVERSITY. 

COLLEGE OF MEDICINE:

DUKE UNIVERSITY

By David...

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