Some of the changes even lasts forever in the human body. And crossing the adulthood to old age the body start losing the motor skills, become weak, prone to more diseases, and many other changes.
Meiosis in Males vs Meiosis in Females
The difference between Meiosis in Males and Meiosis in Females is that the process of meiosis in males start after attaining the adolescence period which may vary from 12 to 14 while comparatively, on the other hand, the process of meiosis in females gets started in the 12th week of the fetus and most of the process is completed during the time only.
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The age period is often referred to as the ‘adolescence period’. It forms the sexual gametes and the whole process occurred in the seminiferous tubules. The process is completed in two main steps – meiosis I and meiosis II.
Thus, most of the gametes that are generated or formed are destroyed and the rest are stopped or arrested at the diplotene stage of the meiosis process. Then after entering the age of 12 to 14, the process starts again and every month one of the eggs is matured.
Comparison Table
| Parameters of Comparison | Meiosis in Males | Meiosis in Females |
|---|---|---|
| Definition | Process of cell division resulting in gamete | Occurs before birth and the rest are formed in egg cells |
| Other Name | Spermatogenesis | Oogenesis |
| Location | Seminiferous tubules | Ovaries |
| Number of haploid cells | 4 spermatozoa or sperms | Single egg |
| Time | Few days or weeks | Before birth to about 45 years |
| Cell Division | Symmetric | Asymmetric |
| Chromosome Synapsis Efficiency | More | Less |
| Initial Start | Since puberty | Before birth |
| Size | Small | Large |
| Production | Continuous | Fixed and finite |
What is Meiosis in Males?
Meiosis is a scientific process in which the cell divides into half the daughter cells in the Stage I process and then after the Stage II process, the daughter cells are divided to form 4 different daughter cells.
During the stage II or meiosis II process, the secondary oocytes are then replicated and produce four different spermatozoa or sperms.
The above process takes place in the seminiferous tubules present in males. The size of the gamete is also short and they are very motile.
What is Meiosis in Females?
In females, the process of meiosis occurs with some changes as initially it gets started even before the birth of the girl child. The meiosis division starts when the fetus is just 12 weeks old and all the cells divide during that time only but the division stops after achieving a certain stage of the meiosis.
The size of the gamete is large compared to males along with this egg cells are not motile. And the whole process of meiosis occurring in females is commonly known as ‘oogenesis’.
Main Differences Between Meiosis in Male and Meiosis in Females
- The gamete size produced in the males is very small comparatively, on the other hand, the gamete size produced in the females is large.
- The gamete production in males is a very continuous process while comparatively, on the other the gamete production in females is fixed and has a finite number.
- https://link.springer.com/content/pdf/10.1007/BF00352222.pdf
- https://www.nature.com/articles/hdy199030
- http://genesdev.cshlp.org/content/14/9/1085.short
- https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1004444
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Piyush Yadav has spent the past 25 years working as a physicist in the local community. He is a physicist passionate about making science more accessible to our readers. He holds a BSc in Natural Sciences and Post Graduate Diploma in Environmental Science. You can read more about him on his bio page.
