What Is the Term for the Loss of Genetic Variation

question 6

Multiple Choice

What is the term for the loss of genetic variation due to an event that decreases the size of the entire population?

• A)gene flow
• B)genetic drift
• C)founder effect
• D)population bottleneck
• E)selection

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Definitions:

Human Egg

The female reproductive cell, or ovum, which, when fertilized by a sperm, can develop into a zygote and eventually a fetus.

Human Sperm

The male reproductive cell, or gamete, vital for human reproduction, containing genetic information that can combine with an ovum to create a new organism.

Y Chromosome

The sex chromosome found only in males. When paired with an X chromosome from the mother, it produces a male child.

Gender Roles

Socially constructed roles, behaviors, activities, and attributes that a given society considers appropriate for men and women.