Q. Which of the following chromosomal mutation are most likely to take place when homologous chromosomes are undergoing synapsis?

A) Inversion and translocation
B) Deletion and duplication
C) Inversion and deletion
D) Translocation and duplication
Explanation

Deletion and duplication occurs in homologous chromosomes usually during meiosis. In deletion, some part of chromosome is lost while in duplication a piece of chromosome is copied next to an identical section, thus, increasing chromosome length.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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