meiosis in A Sentence

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    Meiosis achieves two aims.

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    Meiosis is now complete and ends up with four new daughter cells.

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    Let's finish with something more simple- the differences between mitosis and Meiosis.

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    In Meiosis, each new cell contains a unique set of genetic information.

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    So, in brief, mitosis helps us grow, and Meiosis makes sure we are all unique!

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    During Meiosis, a little part of each chromosome breaks off and reattaches to a different chromosome.

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    During Meiosis, a little part of each chromosome breaks off and reattaches to some other chromosome.

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    However, after Meiosis I, although the cell contains 46 chromatids, it is only considered as being N, with 23 chromosomes.

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    Until this point, it had only been hypothesized that genetic recombination could occur during Meiosis, although it had not been shown genetically.

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    Importance of Meiosis Within a multicellular organism it is necessary that all cells(not to recognize each other as foreign) have the same hereditary heritage.

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    In 1911 the American geneticist Thomas Hunt Morgan(1866- 1945) observed crossover in Drosophila melanogaster Meiosis and provided the first genetic evidence that genes are transmitted on chromosomes.

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    Therefore, Meiosis includes the stages of Meiosis I(prophase I, metaphase I, anaphase I, telophase I) and Meiosis II prophase II, metaphase II, anaphase II, telophase II.

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    If cells do not divide properly, either during mitosis or Meiosis, one of the'daughter' cells produced may receive two copies of a chromosome while the other cell receives none.

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    The Law of Segregation states that every individual organism contains two alleles for each trait, and that these alleles segregate(separate) during Meiosis such that each gamete contains only one of the alleles.

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