X inactivation

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X inactivation

genetics

Also known as: lyonization

Learn about this topic in these articles:

genetic disease

In human genetic disease: Abnormalities of the sex chromosomes
…sperm) via a process called X inactivation. The phenomenon of X inactivation prevents a female who carries two copies of the X chromosome in every cell from expressing twice the amount of gene products encoded exclusively on the X chromosome, in comparison with males, who carry a single X. In…
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