What does “Crossing over” actually mean in Cell Cycle & Cell Division, and why does it matter for NEET?
the exchange of segments between homologous chromosomes during meiosis, creating variation.
In simple words: the exchange of segments between homologous chromosomes during meiosis, creating variation. Getting Crossing over clear matters because NEET questions on Cell Cycle & Cell Division usually test this idea directly, not just a formula you memorised.
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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