Question

How many sex chromosomes are there in a normal human being?

A Two Correct Answer Incorrect Answer
B Eight Correct Answer Incorrect Answer
C One Correct Answer Incorrect Answer
D Four Correct Answer Incorrect Answer

Solution

The 23rd pair called sex chromosomes differ in males and females. Females have two copies of the X chromosome (XX), while males have one X and one Y chromosome (XY). Thus all non-gametic cells have 2 sex chromosomes in them.

Practice Next

Relevant for Exams:

×
×