The Parental Cross Between a Rabbit with the Himalayan Phenotype

Multiple Choice

The parental cross between a rabbit with the Himalayan phenotype (genotype chch) and an albino rabbit (genotype cc) results in F1 rabbits that all have the Himalayan phenotype (genotype chc) . If the resulting F1 rabbits are crossed, what proportion of the F2 offspring will have the Himalayan phenotype and what causes the hypomorphic ch allele to be unstable and result in the distinctive fur pattern?

A) 3/4; complementation
B) 1/2; complementation
C) 3/4; temperature
D) 1/4; temperature
E) 1/2; temperature