25. A biochemical event occurs while maternal and paternal genomes are separated
ID: 23168 • Letter: 2
Question
25. A biochemical event occurs while maternal and paternal genomes are separated and causes differential, rather than equal, expression of the alleles in the offspring. Mice who receive an IGF2, insulin like growth factor 2, allele from the paternal parent and a mutant nonfunctional allele from the maternal parent are growth-deficient. Progeny of the reciprocal cross are normal. The normal IGF2 allele is _________ in the male parent.a. somnubalated
b. hydroylated
c. epilated
d. esterified
e. methylated
Explanation / Answer
e. methylated