Donald Served in the Military and Was Deployed During Wartime

question 41

Multiple Choice

Donald served in the military and was deployed during wartime. He does not often talk about the things he saw and did in combat, but sometimes he has ________, which include vivid memories, feelings, and images of the traumatic experiences he endured. As a result, he has been diagnosed with posttraumatic stress disorder by a psychiatrist who specialises in working with combat veterans.

• A)trips
• B)delusions
• C)flashbacks
• D)hallucinations

---

Definitions:

Chiasmata

The points of crossing over and genetic exchange between homologous chromosomes during meiosis.

Crossing Over

A process during meiosis in which homologous chromosomes exchange portions of their chromatids, leading to genetic variation.

Cleavage Furrow

A constricted region of the cytoplasm that forms and progressively deepens during cytokinesis of animal cells, thereby separating the two daughter cells.

Crossing-over

The process of exchange of genetic material between homologous chromosomes during meiosis, leading to genetic variation.