Q. In man, which of the following genotypes and phenotypes may be the correct result of aneuploidy in sex chromosomes?

A) 22 pairs+XXY males
B) 22 pairs+XX females
C) 22 pairs+XXXY females
D) 22 pairs+X females
Explanation

In trisomic $(2n + 1)$ condition, organism has one extra chromosome, e.g., Klinefelter’s syndrome (22 pair + XXY).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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