If one parent is heterozygous white (Ww) and the other is homozygous black (ww), give the phenotype and genotype ratios for this cross.
Phenotype: Genotype ratio Ww:ww
A). 1/2white, 1/2black. A).2:1
B). 3/4white, 1/4black. B).1:2
C). 2/3black, 1/3white. C).1:1
D). 1/3black, 2/3white. D).3:1