Q. Which of the following is not a correct match?

A) Sex determination $-$ A chromosomal phenomenon
B) Y-chromosome $-$ Autosomal
C) Red–green colour blindness in human $-$ A sex-linked character
D) An abnormal chromosome number in each cell $-$ A case of polyploidy
Explanation

Chromosomes are of two type, autosomes and sex chromosomes (allosomes). Y-chromosome is the sex chromosome.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.