If a pure-breeding wired-hair terrier (WW)is crossed with a pure-breeding smooth-hair terrier (ww),and a puppy with a wavy hair is produced,the simplest explanation is
A) a mutation.
B) an X-linked gene.
C) an incompletely dominant gene.
D) a lethal gene.
E) codominance.

Question

Quizplus · Accepted Answer

The most likely explanation for a wavy hair phenotype is an incompletely dominant gene. This means that the heterozygous offspring would have an intermediate phenotype between the two homozygous parents (in this case, between wired-hair and smooth-hair). The wavy hair phenotype could be the result of the heterozygous genotype Ww.

If a Pure-Breeding Wired-Hair Terrier (WW)is Crossed with a Pure-Breeding