Q. Monosomy and trisomy are respectively
A) $n - 1,\ n + 2$
B) $2n + 2,\ 2n + 1$
C) $2n - 1,\ 2n + 1$
D) $n - 2,\ 2n + 1$
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.