Any 5 difference between mitosis and meiosis?
Answers
Mitosis produces diploid cells (46 chromosomes) whereas meiosis produces haploid cells (23 chromosomes). Mitosis produces two identical daughter cells whereas meiosis produces four genetically different daughter cells.
Mitosis occurs in vegetative cells while meiosis occurs in reproductive cells.
In mitosis two daughter cells are produced as a result of division while in meiosis four daughter cells are produced as a result of cell division.
In mitosis prophase is short while in meiosis it long divided into five sub-stages i.e. leptotene, zygotene, pachytene, diplotene and diakinensis.
In mitosis no crossing over takes place while it is the feature of meiosis which takes place at pachytene sub-stage of first meiotic division.
In mitosis the chromosome number remains same in daughter cells while in meiosis it is reduced to half in daughter cells.
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In mitosis, the genetic material (DNA) in a cell is duplicated and divided equally between two cells. The dividing cell goes through an ordered series of events called the cell cycle. The mitotic cell cycle is initiated by the presence of certain growth factors or other signals that indicate that the production of new cells is needed. Somatic cells of the body replicate by mitosis. Examples of somatic cells include fat cells, blood cells, skin cells, or any body cell that is not a sex cell. Mitosis is necessary to replace dead cells, damaged cells, or cells that have short life spans.
Meiosis is the process by which gametes (sex cells) are generated in organisms that reproduce sexually. Gametes are produced in male and female gonads and contain one-half the number of chromosomes as the original cell. New gene combinations are introduced in a population through the genetic recombination that occurs during meiosis. Thus, unlike the two genetically identical cells produced in mitosis, the meiotic cell cycle produces four cells that are genetically different.