A Diploid Somatic Cell from a Rat Has a Total

question 2

Multiple Choice

A diploid somatic cell from a rat has a total of 42 chromosomes (2n = 42) . As in humans, sex chromosomes determine sex: XX in females and XY in males. What is the total number of chromosomes in a polar body cell from a rat?

• A) 21
• B) 40
• C) 41
• D) 42
• E) 84

---

Definitions:

Probability

The likelihood that a given event (among a specific set of events) will occur.

Double-Barreled

Questions or statements that address more than one issue at a time, often leading to confusion or difficulty in answering.

Factual

Based on facts; representing information that is real or true and not influenced by personal beliefs or feelings.

Evaluative

Relating to the assessment or judgment of the performance, value, or quality of someone or something.