Under the interplay of epigenetic regulators:
1.In your own words, what is Dnmt1 and what does it do?
2.In your own words, what is Dnmt3a and 3b, and what do theydo?
3.Identify two distinct ways that DNA methylation regulates geneexpression. One way is related to histone modifications, the otherway is not.
Under Regulating X Inactivation
4.Describe how DNA-methylation and histone modifications play arole in X-chromosome inactivation.
