The gene for thumb-bending ability has two alleles: no hitchhiker's thumb
(H) and hitchhiker's thumb (h).
What is the percent probability that one child of a mother with the genotype
HH and a father with the genotype HH will have the genotype HH? Use a
Punnett Square to figure out the likelihood.
OA) 0%
OB) 25%
OC) 50%
OD 100%