Arrange the sequence of meiosis in correct order.

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Crossing over→Separation of homologous chromosome→Bivalent chromosomes align on the equatorial plate→Formation of dyad of cells

Crossing over→Bivalent chromosomes align on the equatorial plate→Separation of homologous chromosome→Formation of dyad of cells

Bivalent chromosomes align on the equatorial plate→Separation of homologous chromosome→Crossing over→Formation of dyad of cells

Crossing over→Bivalent chromosomes align on the equatorial plate→Formation of dyad of cells→Separation of homologous chromosome

answer is B.

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Detailed Solution

Correct sequence of events occurring during meiosis is:Crossing over→Bivalent chromosomes align on the equatorial plate→Separation of homologous chromosome→Formation of dyad of cellsCrossing over occurs during pachytene stage of meiosis-I. During metaphase I bivalent chromosomes align on the equatorial plate. During anaphase I separation of homologous chromosome takes place. During telophase I the nuclear membrane and nucleolus reappear, cytokinesis follows and this is called as dyad of cells.

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