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WBCS Preliminary Examination 2017 — General Studies · Question 125 of 200

Q125
General ScienceBiology
Crossing over occurs during meiosis at
  1. a.Leptotene
  2. b.Anaphase I
  3. c.Pachytene
  4. d.Diakinesis

Answer: (C) Pachytene

Crossing over — the exchange of genetic material between homologous chromosomes — occurs during the pachytene stage of prophase I in meiosis.

Q124 Whole paperQ126