Question

Which of the following denotes a male gamete?

• A. 22 + Y
• B. 22 + X
• C. Both A and B
• D. None of the above

Answer 1

The correct option is C Both A and B

All human beings have $23$ pairs of chromosomes in their nuclei. Out of $23$ pairs last pair is known as sex chromosome. The human males have $23$ pairs of chromosomes including XY sex chromosomes. Therefore the male gametes has $22$ chromosomes and either an X or a Y chromosome. Thus male gametes can be of two types$:22+X$ or $22+Y$.