Cats Normally Have a Total of 18 Toes, 5 on Each

question 42

Multiple Choice

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.
Suppose that Jake mates with a female cat, Lucy, who has 18 total toes. Over several years, they have multiple litters and a total of 16 kittens (10 males and 6 females) . The total number of toes on each kitten ranges from 21 to 25.
-One of Jake and Lucy's kittens mates with another cat that has 18 total toes. What is the probability that one of their offspring would have 18 total toes?

• A) 100%
• B) 75%
• C) 50%
• D) 0%

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Definitions:

Mesoderm

Middle primary tissue layer of an animal embryo that gives rise to muscle, several internal organs, and connective tissue layers.

Cardiovascular

Relating to the circulatory system, which comprises the heart and blood vessels and is responsible for transporting nutrients, oxygen, and waste products throughout the body.

Urinary Systems

A group of organs in the body responsible for the production, storage, and elimination of urine, playing a critical role in the regulation of electrolytes and maintenance of blood pressure.

Blastula

Hollow, fluid-filled ball of cells occurring during animal development prior to gastrula formation.