Most Imprinted Genes are Silenced

Question

Most imprinted genes are silenced. What is one exception to this rule?
A) H19
B) Igf-2
C) UBE3A
D) SNRPN

Accepted Answer

Igf-2 is an exception to the general rule that most imprinted genes are silenced. In this case, Igf-2 is typically active on the paternal allele, while the maternal allele is silenced.