Crossing over occurs between

A. Sister chromatids

B. Non-sister chromatids

C. Centromeres

D. None of the above

Answer: Option B

Solution(By Examveda Team)

Crossing over occurs between Non-sister chromatids.
Crossing over is a cellular process that happens during meiosis when chromosomes of the same type are lined up.
When two chromosomes, one from the mother and one from the father line up, parts of the chromosome can be switched.