Letter E

Epigenetics

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<B>1.</B> The study of heritable changes in gene function that occur without a change in the sequence of the DNA.

For example: > >The process of DNA methylation; and >The process of chromatin remodeling.</LI></UL> <B>2.</B> The study of certain processes that occur in embryonic development.

For example: > >X inactivation (the inactivation of one X chromosome in females); and >The phenomenon of gene silencing.

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