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Why is meiosis important?

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Quick Answer

Meiosis is important because during sexual reproduction, it ensures that all produced organisms have the correct number of chromosomes. It is also responsible for producing genetic variations during the process of recombination, and it repairs some genetic defects.

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Meiosis is important because it reprograms the gametes, which help the fertilized egg develop and grow. During the process, it maintains the integrity of the germ line by removing faulty RNA and protein, and it eliminates the defective meiocytes.

Meiosis is a form of cell division that creates new combinations of genetic material in the newly-formed daughter cells. During this division, only half of the number of parent chromosomes are used, and meiosis takes place in four vital processes.

Prophase is the first step in meiosis and occurs when the chromosomes condense to where they become visible inside the nucleus. Metaphase happens when microtubules come out of each spindle and attach to the kinetochore. Anaphase is the process in which these microtubules disassemble and contract, pulling two chromosomes toward opposite ends of the cell. During telophase, the cytoplasm divides in two.

Once meiosis is completed, the cycle begins again and is known as meiosis II. The second time around, the chromosomes in the cell remain the same.

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