NEET2016BotanyCell Cycle and Cell DivisionActual
In meiosis, crossing over is initiated at _________.
Options
- APachytene
- BLeptotene
- CZygotene
- DDiplotene
Correct answer
A. Pachytene
Step-by-step solution
Pachytene is the third stage of the prophase of meiosis, following zygotene, during which the paired chromosomes shorten and thicken, the two chromatids of each separate and exchange of segments between chromatids occurs.