Multiple choice

Crossing over takes place at a stage between

  1. leptotene and diplotene

  2. pachytene and diplotene

  3. zygotene and diplotene

  4. zygotene and pachytene

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Crossing over takes place at a stage between zygotene and diplotene. Crossing over is the exchange of genes between two chromosomes, resulting in non-identical chromatids that comprise the genetic material of gametes (sperm and eggs).