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BIOLOGY

JAMB 2015 - Question 10

Biology 2015 JAMB Past Questions - Question 10: an example of a sex-linked trait is the

Choose the most appropriate option for the gap .

an example of a sex-linked trait is the

A: colour ofthe skin in humans

B: ability to roll the tongue.

C: possession of facial hair in adult humans.

D: ablitv to grow long hair in females.

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Correct Answer

Explanation

Sex linked traits or characters are characters that are attached to .the X-sex chromosomes only. These linked traits are never carried by the Y-sex chromosome. These sex traits are colour blindness, baldness, hemophilia and Duchene muscular dystrophy in addition to the one mentioned in the options