Morgan Breeds and Sells Snakes

question 14

Multiple Choice

Morgan breeds and sells snakes. He knows that he can make the most money by breeding and selling albino snakes. Albinism is a recessive trait. His female albino corn snake just produced 6 offspring. Two displayed normal coloration and 4 were albino. What do you know about the genotype of the father?

• A) He must be homozygous dominant.
• B) He must be heterozygous.
• C) He must be homozygous recessive.
• D) He could be either heterozygous or homozygous dominant.
• E) There is not enough information to determine the father's genotype.

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Definitions:

Natural Selection

Mechanism of evolutionary change caused by environmental selection of organisms most fit to reproduce; results in adaptation to the environment.

Fixed-Action Pattern

A fixed-action pattern is a sequence of unlearned, innate behaviors that is triggered by a specific stimulus and is carried to completion once started.

Egg Rolling

A traditional activity in which eggs are rolled on the ground, often associated with Easter celebrations.

Learning

Relatively permanent change in an animal’s behavior that results from practice and experience.