C and D, but it can be B, since it occurs during cytokinesis and it begins before mitosis ends.
1/4 or 25% will have the homozygous recessive genotype. 25% will have the homozygous dominant phenotype. 50% will be heterozygous. We would use a punnet square to figure this out. I’ve attached a picture of one to help you
Green algae is a representative of sponges