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Question : What is tetrad?

Answer»

Solution :(i) Each homologous chromosome of a bivalent begin to form two identical sister chromatids, which remain held TOGETHER by a CENTROMERE.
(ii) At this stage each bivalent chromatids.
(iii) This stage is called TETRAD stage has four
(iv) It OCCURS during pachytene of meiotic prophase I.


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