You think that two alleles for coat color in mice show incomplete dominance. what is the best and simplest cross to perform in order to support your hypothesis?
a. a test cross of a homozygous recessive mouse with a mouse of unknown genotype
b. a cross of F1 mice to look for a 1:2:1 ratio in the offspring
c. a reciprocal cross in which the sex of the mice of each coat color is reversed.
d. a cross of two true-breeding mice of different colors to look for an intermediate phenotype in the F1
e. a cross of F1 mice to look for a 9:7 ratio in the offspring
Answer:D