A Predictable Effect of Genetic Drift in a Small Population

question 43

Multiple Choice

A predictable effect of genetic drift in a small population is an increase in _____.

• A) mutations
• B) dominant alleles
• C) recessive alleles
• D) genetic variation
• E) homozygosity

---

Definitions:

Leptin

A hormone that affects appetite and is believed to affect the onset of puberty. Leptin levels increase during childhood and peak at around age 12.

Estrogen

A group of steroid hormones that play a key role in the development and regulation of the female reproductive system and secondary sex characteristics.

Cortisol

The primary stress hormone; fluctuations in the body’s cortisol level affect human emotions.

Lipid

A class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They are used by the body for energy storage and structural functions.