Why do researchers believe color deficiencies often have genetic causes?
A) Dietary patterns affect color deficiencies.
B) Color perception changes somewhat as we get older.
C) Color deficiencies are more common in some cultures.
D) More males than females suffer from color deficiencies.

Question

Quizplus · Accepted Answer

Color deficiencies are often linked to the X chromosome, and since males have only one X chromosome, they are more likely to express these deficiencies if they inherit the affected gene.

Why Do Researchers Believe Color Deficiencies Often Have Genetic Causes