Q. Monosomy and trisomy are respectively
A) ݊ − 1, ݊ + 2
B) 2n + 2, 2n + 1
C) 2n − 1, 2n + 1
D) ݊ − 2, 2n + 1
Explanation
When there is a loss of one chromosome from the homologous pair, this is called monosomy (2n-1) and when there is addition of one chromosome to the homologous pair, this called trisomy (2n+1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.