I keep getting “Crossing over” questions wrong in Cell Cycle & Cell Division. What's the trap?
thinking crossing over happens in mitosis.
The usual trap: thinking crossing over happens in mitosis. How to avoid it: crossing over (in meiosis I) is a key source of genetic diversity. Go back to the definition — the exchange of segments between homologous chromosomes during meiosis, creating variation.
Key point
Crossing over
Common mistake
thinking crossing over happens in mitosis.
Memory tip
crossing over (in meiosis I) is a key source of genetic diversity.
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