A Mother with Normal Vision (Not a Carrier for Color-Blindness)

question 134

Multiple Choice

A mother with normal vision (not a carrier for color-blindness) and a father who is color-blind will produce which of the following offspring?

• A) 100% of the sons will be color-blind
• B) 50% of the sons will be color-blind
• C) 100% of the daughters will be carriers for color-blindness
• D) 50% of the daughters will be carriers for color-blindness

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Definitions:

Endocrine System

A network of glands and organs in the body that produces, stores, and secretes hormones into the bloodstream to regulate various bodily functions and processes.

Pituitary Gland

A tiny structure at the base of the brain that is the source of many hormones, thereby influencing many bodily processes, from growth to responses to stressors.

Pubertal Processes

The series of physical and hormonal changes that occur in the body leading to sexual maturity.

Menarche And Spermarche

Menarche refers to a girl's first menstrual cycle, while spermarche denotes the beginning of sperm development in boys; both are significant puberty milestones.