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. 1/2 Dd:1/2 dd; half right and half left coiling
C. all Dd; all right coiling
D. all Dd; half right and half left coiling
E. all Dd; all left coiling
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A certain kind of snail can have a right-handed direction of shell coiling (D) or left-handed coilin...
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