Miosis and mitosis difference
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Mitosis produces diploid cells (46 chromosomes) whereas meiosisproduces haploid cells (23 chromosomes). Mitosis produces two identical daughter cells whereas meiosis produces four genetically different daughter cells.
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Miosis :-
- Meiosis takes place within gamete cells.
- Two divisions of the mother cell result in four meiotic products or haploid gametes.
- A meiotic mother cell is always diploid
- The meiotic products contain a haploid (n) number of chromosomes in contrast to the (2n) number of chromosomes in mother cell.
- In meiosis, only meiosis I is preceded by a S-phase.
- During prophase I, complete pairing of all homologous chromosomes takes place.
- There is at least one crossing-over or DNA exchange per homologous pair of chromosomes.
- The centromeres do separate during anaphase II, but not during anaphase I.
- Meiotic products differ in their genotype from the mother cell.
- After meiosis, each daughter cell has only half of the DNA strands
Mitosis :-
- Mitosis takes place within somatic cells (cells that make up the body).
- One single division of the mother cell results in two daughter cells.
- A mitotic mother cell can either be haploid or diploid.
- The number of chromosomes per nucleus remains the same after division.
- It is preceded by a S-phase in which the amount of DNA is duplicated.
- In mitosis, there is no pairing of homologous chromosomes.
- There is no exchange of DNA (crossing-over) between chromosomes.
- The centromeres split during anaphase.
- The genotype of the daughter cells is identical to that of the mother cells.
- After mitosis, each daughter cell has exactly same DNA strands.
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