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8 September, 10:20

What are the stages of Meiosis I and Meiosis II in order as the happen.

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  1. 8 September, 13:43
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    Meiosis I:

    Prophase I - Homologus chromosomes pair up (synapsis) and form a tetrad. Sometimes non-sister chromatids exchange genetic information during the process of crossing over.

    Metaphase I - Tetrads line up at the center of the cell.

    Anaphase I - Homologous pairs are split up.

    Telophase I/Cytokinesis - Two daugher cells form that have half the chromosome number of the parent cell but each chromosome consists of a pair of sister chromatids.

    Interkinesis - break period

    Meiosis II:

    Prophase II - A new spindle forms

    Metaphase II - Each chromosome lines up at the middle of the cell.

    Anaphase II - The sister chromatids are separated and move to opposite ends of the cell.

    Telophase II - Two new nuclei are formed in each cell. Each nucleus contains a haplod (n) number of chromosomes.

    Cytokinesis - End result of meiosis is 4 haploid daughter cells
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