In Humans, the Genes for Red-Green Color Blindness (R =

question 44

Multiple Choice

In humans, the genes for red-green color blindness (R = normal, r = color blind) and hemophilia A (H = normal, h = hemophilia) are both X-linked and only 3 map units apart.
-A woman whose mother is color blind and whose father has hemophilia A is pregnant with a boy.If the alleles for color blindness and hemophilia A are rare in the population, what is the probability that the baby will have normal vision and normal blood clotting?

• A)0
• B)0.03
• C)0.485
• D)0.47
• E)0.015

---

Definitions:

Deep Breaths

A breathing technique involving slow, deliberate inhalation and exhalation, used to reduce stress and promote relaxation.

Secretions

Substances produced and released by cells or glands in the body, such as saliva, mucus, or sweat.

Rectal Temperature

A method of measuring body temperature by inserting a thermometer into the rectum, considered quite accurate.

Pulmonary Artery

The large artery that carries deoxygenated blood from the heart to the lungs for oxygenation.