Q. Crossing-over occurs during ____:
Answer: Pachytene
Notes: Chromosomal crossover (or crossing over) is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes. It is one of the final phases of genetic recombination, which occurs during prophase I of meiosis (pachytene) during a process called synapsis.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 116 in 39. Genetics, Inheritance and Evolution in above course in App.