Which of the Following Statements Is True

question 17

Multiple Choice

Which of the following statements is true?

• A) Gene mutations occur independently of each other.
• B) Gene mutations are relatively rare.
• C) Ionizing radiation causes chromosomal damage and free radical formation.
• D) Mutations are random; that is, it is impossible to predict exactly when a specific gene will mutate, but an expected frequency can be assigned.
• E) All of these are true.

---

Definitions:

Baldness

The lack of hair on the scalp, also known as alopecia, which can be partial or complete.

Color Blindness

A visual impairment where an individual has difficulty distinguishing between certain colors, typically reds, greens, and sometimes blues.

Polygenic Inheritance

A pattern in which many genes all influence a single trait.

Phenylketonuria

A genetic disorder characterized by the body's inability to metabolize the amino acid phenylalanine, leading to its accumulation and potential brain damage.