An Ss × Ss Mating Is Performed

question 24

Multiple Choice

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.