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Protein May Play Role In Sex Chromosome Inactivation

Date:
December 7, 2001
Source:
Howard Hughes Medical Institute
Summary:
The decision to inactivate one of the two X chromosomes, which occurs early in development, is a life-or-death decision that is made in the female eggs of all mammals, including humans. For reasons that are still not completely understood, failure to choose and completely shut down one X chromosome means immediate death for the developing embryo, due to a genetic “dosage” imbalance.

The decision to inactivate one of the two X chromosomes, which occurs early in development, is a life-or-death decision that is made in the female eggs of all mammals, including humans. For reasons that are still not completely understood, failure to choose and completely shut down one X chromosome means immediate death for the developing embryo, due to a genetic “dosage” imbalance.


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The above story is based on materials provided by Howard Hughes Medical Institute. Note: Materials may be edited for content and length.


Cite This Page:

Howard Hughes Medical Institute. "Protein May Play Role In Sex Chromosome Inactivation." ScienceDaily. ScienceDaily, 7 December 2001. <www.sciencedaily.com/releases/2001/12/011207065705.htm>.
Howard Hughes Medical Institute. (2001, December 7). Protein May Play Role In Sex Chromosome Inactivation. ScienceDaily. Retrieved April 23, 2014 from www.sciencedaily.com/releases/2001/12/011207065705.htm
Howard Hughes Medical Institute. "Protein May Play Role In Sex Chromosome Inactivation." ScienceDaily. www.sciencedaily.com/releases/2001/12/011207065705.htm (accessed April 23, 2014).

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