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