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  4. Exchange of segments between non sister chromatids of homologous chromosomes is called

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Q. Exchange of segments between non sister chromatids of homologous chromosomes is called

Cell Cycle and Cell Division

Solution:

Crossing-over involves an exchange of equal segments of non-sister chromatids belonging to two different but homologous chromosomes. Crossing over takes place at four stranded stage. The point where crossing over takes place giving rise to cross-shaped figures, called chiasmata.