Q. During cell division, sometimes there will be failure of separation of sister chromatids. This event is called
A) Interference
B) Complementation
C) Non-disjunction
D) Coincidence
Explanation
Non-disjunction occurs when a pair of homologous chromosomes do not separate in meiosis but migrate to the same pole of the cell, resulting in an even number of chromosomes being present in the daughter cells.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.