The Phenomenon of Chance Events Causing the Allele Frequencies in a Population

question 61

Multiple Choice

The phenomenon of chance events causing the allele frequencies in a population to change unpredictably is known as ____.

• A) genetic drift
• B) gene flow
• C) deleterious mutations
• D) nonrandom mating
• E) natural selection

---

Definitions:

Phenelzine (Nardil)

A type of antidepressant known as a monoamine oxidase inhibitor (MAOI) used to treat symptoms of severe depression by affecting brain chemistry.

Sodium Intake

The quantity of sodium consumed in the diet, important for maintaining fluid balance but excessive intake can be harmful to health.

Over-The-Counter Medications

Medicines available without a prescription used to treat common health issues and symptoms.

Major Depressive Disorder

A mental health condition characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities, affecting daily functioning.