After reading the paragraphs below, answer the questions that follow.
Cats normally have a total of 18 toes, 5 on each front paw and 4 on each back paw. But some cats express the dominant phenotype for polydactyly, which results in the development of extra toes on one or more paws. Jake, a Canadian tabby cat, has 28 toes and is recognized by the Guinness Book of World Records as the cat with the most toes.
-If we use the letter P to represent the polydactyly gene, what is Jake's genotype?
A)PP
B)Pp
C)pp
D)You cannot determine Jake's genotype from this information.

Question

Quizplus · Accepted Answer

Jake has 28 toes, which is the dominant phenotype for polydactyly. Therefore, Jake must have at least one copy of the dominant allele P. Since he has the most toes, he must have two copies of the dominant allele P. Therefore, Jake's genotype is PP.

After Reading the Paragraphs Below, Answer the Questions That Follow