Meiosis does PMAT twice! That means there is a prophase I and a prophase 2. There is a metaphase1 and metaphase 2. Etc... How would you know whether it was in metaphase 1 or metaphase 2

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27-02-2019
Biology

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Meiosis does PMAT twice! That means there is a prophase I and a prophase 2. There is a metaphase1 and metaphase 2. Etc... How would you know whether it was in metaphase 1 or metaphase 2

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jamuuj jamuuj · Answer 1 · 2019-03-09T11:06:54+01:00

Answer;

In metaphase I, the chromosome tetrads align on metaphase plate while in metaphase II, chromosomes align on metaphase plate as they are in mitosis with only sister chromatids.

Explanation;

Meiosis is a form of cell division that halves number of chromosomes when forming specialized reproductive cells such as gametes .
Meiosis occurs in two phases, namely; meiosis I and meiosis II. During homologous pairs of chromosomes align on the equatorial plane at the center of the cell.
During metaphase II, the spindle fibers connect to the kinetochore of each sister chromatid. The chromosomes align at the equatorial plane, which is rotated 90° compared to the equatorial plane in meiosis I.