Nearsightedness Is Dominant to Normal Vision and Hazel Eyes Are

question 74

Multiple Choice

Nearsightedness is dominant to normal vision and hazel eyes are dominant to blue eyes.A nearsighted woman with hazel eyes who is heterozygous for both traits marries a man with normal vision and hazel eyes.His genotype for eye color is the same as his wife's.Their three children all have blue eyes and normal vision.What is the probability that their next child will have blue eyes and be nearsighted?

• A)1/4
• B)1/2
• C)3/8
• D)1/8
• E)5/8

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Definitions:

Preventable Cause

A preventable cause refers to a factor or condition that can be avoided to prevent a disease, accident, or other undesirable outcomes.

Disease

A condition that disrupts normal physiological functions, often characterized by specific signs and symptoms, and can be caused by factors such as pathogens, genetic mutations, and environmental stress.

Swim Bladders

Air-filled sacs in some fish that help control buoyancy and maintain stability in the water.

Ventilation

The process of moving air in and out of the lungs to exchange oxygen and carbon dioxide.