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What is the normal number of chiasma seen in diplotene chromosomes?(a) 2(b) 4(c) 8(d) 16The question was asked in an online interview.My question is based upon Meiosis Prophase 1 : Diplotene and Diakinesis in section Chromosomal Changes During Meiosis of Cytogenetics

Answer»

The CORRECT option is (b) 4

Explanation: The number of chiasmata is VARIABLE ALTHOUGH it is usually 4, MAXIMUM number of chiasma may be 13-14. While some cells may have 1 chiasma other may have many more, 4 being the average.



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