A certain kind of snail can have a right-handed direction of shell coiling (D)or left-handed coiling (d).If direction of coiling is due to a protein deposited by the mother in the egg cytoplasm,then a Dd egg-producing snail and a dd sperm-producing snail will have offspring of which genotype(s)and phenotype(s)?
A)1/2 Dd:1/2 dd; all right coiling B)all Dd; all right coiling C)1/2 Dd:1/2 dd; half right and half left coiling D)all Dd; all left coiling E)all Dd; half right and half left coiling