An Ss × Ss mating is performed.If the phenotypic ratio of the progeny is 3 S- (- indicates that the other allele is unknown)to 1 ss, then
A)the S allele is dominant to the s allele.
B)neither allele is dominant.
C)the s allele is dominant to the S allele.
D)the relationship between the alleles cannot be determined.

Question

Quizplus · Accepted Answer

The 3:1 phenotypic ratio in the progeny indicates that the S allele is dominant over the s allele, as this ratio is typical for a monohybrid cross involving one dominant and one recessive allele.

An Ss × Ss Mating Is Performed