Red flowers (allele CR) are incompletely dominant over white flowers (allele CW), resulting in three possible phenotypes: red, pink, and white flowers. Both parents express pink flowers.

a. What is the genotype of the parents? ______ and _____
b. What is the gametes coming from both the parents? _____
c. What is the probability of having pink flower in the offspring? _______
d. What is the probability of having white flower in the offspring? _____