Question
Biology Question on cell cycle and cell division
Crossing over occurs in the______stage of meiosis
A
zygotene
B
leptotene
C
pachytene
D
diplotene
Answer
pachytene
Explanation
Solution
Crossing over is the process of exchange of genetic material between non-sister chromatids of two homologous chromosomes. It is an enzyme mediated process and occurs during pachytene sub-stage of prophase I.