The Ability to Digest Lactose Is Controlled by

question 35

Multiple Choice

The ability to digest lactose is controlled by

• A) variation at a single locus.
• B) variation at many loci.
• C) factors not related to genetics.
• D) a selective haplotype.

---

Definitions:

Electroconvulsive Therapy

A medical treatment most commonly used for severe depression, involving electric currents passed through the brain to induce brief seizures and therapeutic effects.

Tardive Dyskinesia

A neurological disorder characterized by involuntary, repetitive body movements, often resulting from long-term use of antipsychotic medication.

Manic Episodes

Describes periods of extremely elevated mood, energy, and unusual thought patterns, often associated with bipolar disorder.

Lobotomy

A surgical procedure that involves cutting into the prefrontal lobe of the brain, once used to treat mental disorders but now largely discredited.