where does crossing over occur?

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teefRcool

Senior Member
15+ Year Member
prophase1 or metaphase 1 of meiosis?

the kaplan blue books says prophase1 and the subject test answer says metaphase?

my guess is prophase!!
 
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When chromosomes pair in the early prophase of the first division of meiosis (Meiosis I), a crossover occurs.

Metaphase is when they align in the center of the metaphase plate
 
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I struggled with that same question in my head a little bit. However, I distinctly remember one of my professors drilling it into our head that it was PROPHASE I OF MEIOSIS repeatedly. It's also the longest stage (time).
 
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