A Recessive Allele on the X Chromosome Is Responsible for Red-Green

question 4

Multiple Choice

A recessive allele on the X chromosome is responsible for red-green color blindness in humans.A woman with normal vision whose father is color blind marries a color-blind male.What is the probability that this couple's first son will be color blind?

• A)1/4
• B)1/3
• C)1/2
• D)3/4
• E)1

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Definitions:

Nutrients

Substances obtained from food that are essential for the growth, repair, and maintenance of a healthy body, including vitamins, minerals, proteins, fats, and carbohydrates.

Food Deprivation

The condition of having insufficient food to meet basic nutritional needs, leading to hunger or starvation.

Salivary Glands

Glands that furnish moisture that helps in tasting and digesting food.

Moisture

The presence of a liquid, usually water, often in trace amounts, within a substance, material, or environment.