What is chiasmata? State its significance.
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https://www.meritnation.com/ask-answer/question/what-is-chismata-state-its-function/cell-the-unit-of-life/5096796
https://www.meritnation.com/ask-answer/question/what-is-chismata-state-its-function/cell-the-unit-of-life/5096796