Q:

What is the final result of meiosis?

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Quick Answer

The final result of meiosis is haploid daughter cells that have 23 chromosomes each. These haploid daughter cells may act as gametes during sexual reproduction. This includes sperm and oocytes, which can later fuse together to form a zygote.

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Meiosis is a process that occurs in sexually reproductive organisms. During meiosis, diploid cells come together to produce haploid cells, which may then go on to act as gametes. The aim is to share genetic information via chromosomes from the father and mother cells, leading to a new set of genes. When meiosis is complete, the daughter cell has 23 new chromosomes, which are formed from one member of a pair from the mother and father cells. This process is known as spermatogenesis in males and oogenesis in females. In addition to producing four gametes in males and one in females, meiosis allows for genetic diversity amongst organisms.

Meiosis is able to achieve genetic variation in several ways. During prophase one, chromosomes cross over. By metaphase one, they begin to independently align themselves to form new chromosomes that are unique to the daughter cell. Not only are the gametes genetically unique, they also give rise to genetically unique zygotes when they fuse with other gametes.

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Related Questions

  • Q:

    Why is crossing over important in meiosis?

    A:

    Crossing over in meiosis results in genetic recombination, which is responsible for the genetic diversity of a population. Genetic recombination and natural selection are the driving forces behind evolution. It causes most of the differences between parents and their offspring and differences between siblings.

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  • Q:

    What are the events of meiosis?

    A:

    The main events of meiosis include prophase, metaphase, anaphase and telophase. A cell in meiosis goes through two divisions, meiosis I and meiosis II, in which each division consists of the same stages to produce gametes or sexual reproduction cells.

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  • Q:

    How does meiosis work?

    A:

    Meiosis involves the chromosomes of parent cells breaking up to make copies of themselves, joining together to form new genetic material and chromosomes dividing to eventually form four gametes. This takes place over two phases; meiosis I and meiosis II.

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  • Q:

    Where does meiosis occur?

    A:

    Meiosis occurs in the reproductive organs of all males and females. The process of meiosis results in the formation of gametes. Gametes are the reproductive cells called sperm in males and ova or eggs in females.

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