What are the main differences between mitosis and meiosis?

Mitosis Human cells have 23 pairs of chromosomes (diploid - 2 copies of each chromosomes). This is a form of cell devision which makes an exact replica of the cell that is dividing. The cell grows and the DNA replicates so that each pair of chromosomes is doubled. The chromosomes line along the centre of the cell and the duplicated chromosomes separate from each other. The cytoplasm and cell membrane divide to form two daughter cells. The genetic material in the mother and daughter is identical and both have 23 pairs of chromosomes. Meiosis This is a form of cell devision which does not make an exact replica of the cell that is dividing. The cell grows and the DNA replicates so that each pair of chromosomes is doubled. The duplicated chromosomes separate from each other. The cytoplasm and cell membrane divide to form two daughter cells. The two cells divide again so that only one of the pairs of each chromosome exists in a cell. The genetic material in the mother and daughter is not identical. The cells have haploid (single set of) chromosomes - 23 copies.

Answered by Jun Yu C. Biology tutor

4232 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Name the enzyme present in the saliva and what is its role in digestion


Tobacco smoke contains carbon monoxide. Explain how carbon monoxide affects a persons ability to exercise.


Explain the nervous pathway reflex when touching something hot (5 marks)


A blood test called the glucose tolerance test checks how well the body processes glucose. Concentrations of glucose in the blood are measured before and after drinking a glucose drink. Suggest why patients are not allowed to eat for 8 hours before?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences