Which of the following conditions is due to a sex-linked gene?
A) color-blindness
B) hemophilia
C) muscular dystrophy
D) inability to see red or green
E) All of the answer choices are sex-linked conditions.

Question

Quizplus · Accepted Answer

All of the listed conditions are caused by sex-linked genes located on the X chromosome. Color-blindness, hemophilia, and muscular dystrophy are recessive traits that affect mostly males, who have only one X chromosome. Inability to see red or green is a type of color-blindness and is also an X-linked recessive trait. Therefore, all of the answer choices are sex-linked conditions.

Which of the Following Conditions Is Due to a Sex-Linked