Mitosis | Meiosis |
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1. Mitosis occurs continuously in the body or somatic cells. | 1. Meiosis occurs in the germ cells(the cells of testes or ovaries) during the process of gametogenesis. |
2. The whole process completes in one sequence or phase after one round of DNA replication. | 2. The whole process completes in two successive divisions which occur one after the other. |
Prophase |
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3. The prophase is of short duration and does not include any substage. | 3. The prophase is of longer duration and it completes in six successive stages, viz., proleptotene, leptotene, zygotene, pachytene, diplotene and diakinesis. |
4. The homologous chromosomes(paternal and meternal) duplicate into two chromatids. Each daughter cell receives the daughter chromosomes or chromatids of each homologous chromosomes and, thus, having the chromosome number like parental cells. | 4. Out of two homologous chromosomes only one type of chromosomes either maternal or paternal moves to the daughter cells. A daughter cell, thus, receives only a maternal or paternal chromosome of the homologous pair and the number of chromosomes remain half than the parental cells. |
5. No pairing or synapsis takes place between the homologous chromosomes. | 5. Pairing or synapsis occurs between the homologous chromosome. |
6. Duplication of chromosomes takes place in the early prophase. | 6. Duplication or splitting of chromosomes takes place in the late prophase(pachytene stage). |
7. No chiasma formation or crossing over takes place. | 7. Chiasma formation or crossing over takes place. |
8. The exchange of the genetic material between the homologous chromosomes does not occur. | 8. The exchange of the genetic material takes place between the chromatids of homologous chromosomes. |
Metaphase |
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9. The chromatids occur in the form of dyads. | 9. The chromatids of two homologous chromosomes occur as the tetrads. |
10. The centromeres of the chromosomes remain directed towards the equator and the arms of the chromosomes remain directed towards the poles. | 10. The centromeres of the chromosomes remain directed towards the poles and the chromosomal arms remain directed towards the equator. |
Anaphase |
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11. The chromosomes are the monads, i.e., having single chromatids. | 11. The chromosomes are the dyads, i.e., having two chromatids and single centromere. |
12. The chromosomes are long and thin. | 12. The chromosomes are short and thick. |
Telophase |
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13.The telophase always occurs. | 13.The first telophase is sometimes omitted. |
Significance |
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14. In mitotic division, the chromosome number in each daughter cell remains the same like the parent cell. | 14. In mitotic division,the chromosome number is reduced to half in the daughter cells than the parental cells. |
15. A diploid cell produces two diploid cells by a mitotic division. | 15. A diploid cell produces four haploid cells by a meiotic division. |