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Explain mitosis and meiosis

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Explain mitosis and meiosis

    • Posted by Gaurangi Sharma✒✒✒✒ 4 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Gaurangi Sharma✒✒✒✒ 4 years, 3 months ago

    thanks yogita

    0Thank You

    Yogita Ingle 4 years, 4 months ago

    • Meiosis is the form of nuclear cell division that results in daughter cells that have one half the chromosome numbers as the original cell.
    • In organisms that are diploid, the end result is cells that are haploid. Each daughter cell gets one complete set of chromosomes, i.e., one of each homologous pair of chromosomes.
    • In humans, this means the chromosome number is reduced from 46 to 23.
    • The only cells that undergo meiosis will become sperm or eggs.

       
    • Mitosis is a continuum process of cell division which occurs in all types of living cells.
    • Mitosis involves four basic phases – prophase, metaphase, anaphase and telophase.
    • Mitosis is the process where the division of cell occurs by asexual reproduction.
    • In mitosis, the nuclear membrane is broken down, spindle fibres (microtubules) attach to the chromatids at the centromere and pull apart the chromatids.

    3Thank You

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