Q

In a sperm diagram, A labels the head, B the middle piece and C the tail. Which part carries the chromosome that determines the zygote's chromosomal sex?

RRB Group-D 30/09/2022 / Shift-III 2022
✓ Answer: B Part A only
The nucleus in the sperm head carries either an X or a Y chromosome, contributing to the zygote's chromosomal sex.