Recall that in mice the Igf2 gene exhibits genomic imprinting where the maternal allele is silenced by DNA methylation. What is the probability that a mouse pup (male or female) from the son a homozygous dwarf mother (Ifg2- Igf2-) and a heterozygous normal-size father (Igf2 Igf2-) is normal-sized as well?
A. 100%
B. 75%
C. 50%
D. 0%
E. 25%
Answer: C
Biology & Microbiology
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