Mitosis And Meiosis

Mitosis and Meiosis Cell division may happen by either mitosis or meiosis, depending on what type of cell is invovled. Mitosis is a process by which a cell divides to form both daughter cells. They each have the same exact consecrate sense and kind of chromosomes as the p atomic weigh 18nt cell. Meiosis occurs in the basal sex cells leading to the formation of viable egg and spermatozoan cells. They reduce the number of chromosomes to half(a) in each gamete so that when they are discoverting furtilized, the species chromosome number is unbroken even. Mitosis happens in the nurture of unicellular organisms and in the addition of cells to a tissue or organ in a multicellular organism.

There are four stages of mitosis. The first stage is the prophase. In this stage the chromosomes engender shorter and thicker and they each consist of two chromatids. The nuclear membrane begins to disintegrate. The centrioles in animal cells, fungi, algae and some otherwise ferns double and a pair move toward each terminal and the chromosomes b...If you want to get a full essay, order it on our website: BestEssayCheap.com

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