Genetics: Analysis and Principles 5th Edition by Robert Brooker

Exercise 46

For the Igf 2 gene, where does de novo methylation and maintenance methylation occur
A) De novo methylation occurs in sperm, and maintenance methylation occurs in egg cells
B) De novo methylation occurs in egg cells, and maintenance methylation occurs in sperm cells
C) De novo methylation occurs in sperm, and maintenance methylation occurs in somatic cells of offspring
D) De novo methylation occurs in egg cells, and maintenance methylation occurs in somatic cells of offspring.