Rett Syndrome Is Caused by Mutation in an X-Linked Gene

Multiple Choice

Rett syndrome is caused by mutation in an X-linked gene called MeCP2. Why does mutation of this one gene cause so many neurological defects?

A) CeCP2 regulates protein synthesis by global phosphorylation of protein kinases.
B) CeCP2 causes irregular protein folding in a ubiquitous neural protein.
C) CeCP2 binds to methylated DNA and regulates gene expression.
D) CeCP2 is a histone that controls epigenetic regulation of gene expression.