Suppose members of a true-breeding strain of salamanders with yellow stripes are crossed with a true-breeding strain with red stripes.Red and yellow are two alleles of the same gene.The resulting offspring have both yellow stripes and red stripes.Which dominance pattern is most likely?
A) Red stripes are dominant to yellow stripes.
B) Yellow stripes are dominant to red stripes.
C) Red and yellow stripes exhibit incomplete dominance.
D) Red and yellow stripes exhibit overdominance.
E) Red and yellow stripes exhibit codominance.

Question

Quizplus · Accepted Answer

The presence of both yellow and red stripes in the offspring indicates that neither allele is completely dominant or recessive over the other. This is a clear example of codominance, where both alleles are expressed in the phenotype of the organism.

Suppose Members of a True-Breeding Strain of Salamanders with Yellow