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What Tips The Balance? Understanding Why X Chromosome Inactivation Can Be Skewed
To ensure that women and men express equivalent levels of the genes found on X chromosomes, one of the two X chromosomes in the cells of a women is inactive. X chromosome inactivation (XCI) occurs early in development, at approximately the time an embryo implants in the womb, and all cells stemming from a given cell have the same X chromosome inactivated.
To ensure that women and men express equivalent levels of the genes found on X chromosomes, one of the two X chromosomes in the cells of a women is inactive. X chromosome inactivation (XCI) occurs early in development, at approximately the time an embryo implants in the womb, and all cells stemming from a given cell have the same X chromosome inactivated.
Source: Science Daily
Posted on: Thursday, Dec 27, 2007, 2:40pm
Views: 1316
Posted on: Thursday, Dec 27, 2007, 2:40pm
Views: 1316
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