Question

What happened at pachytene stage

Answer 1

During pachytene stage, there is formation of recombination nodules between homologous chromosomes, each pair is called bivalent.

Answer 2

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❤️Answer❤️

During pachytene, each tetrad shortens, thickens, and separates into four distinct chromatids joined at the centromere. This is also the stage of homologous recombination, e.g. chromosomal crossover between nonsister chromatids. In sites where genetic exchanges occurred, chiasmata form.

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