Solved UPSC CDS/OTA Question
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Q · Reproductive Systemmedium · 45s
During which phase of meiosis does crossing over occur?
TopicReproductive System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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During prophase I of meiosis, homologous chromosomes pair and exchange genetic material at chiasmata, increasing genetic diversity in gametes.
Final Answer: Option A - Prophase I