Red-Green Color Blindness Is a Recessive X-Linked Trait

question 50

Multiple Choice

Red-green color blindness is a recessive X-linked trait. If a female is red-green color-blind, which of the following is true?

• A) Her mother must be color-blind.
• B) Both her parents must be color-blind.
• C) Both her parents are carriers of the recessive allele.
• D) Her father must be color-blind.
• E) Women cannot exhibit red-green color blindness because they have two X chromosomes.

---

Definitions:

Stress

Physiological or psychological tension that threatens homeostasis or a person's psychological equilibrium.

Caffeine

A central nervous system stimulant commonly found in coffee, tea, and certain soft drinks, known for its ability to temporarily ward off drowsiness and restore alertness.

Menopause

Physiological cessation of ovulation and menstruation that typically occurs during middle adulthood in women.

Climacteric

Physiological, developmental change that occurs in the male reproductive system between the ages of 45 and 60.