Section 1
The Process of Meiosis
Book
Version 32
By Boundless
By Boundless
Boundless Biology
Biology
by Boundless
4 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/18896/square/figure-07-00-02abc.jpeg)
Introduction to Meiosis
Meiosis is the nuclear division of diploid cells into haploid cells, which is a necessary step in sexual reproduction.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18898/square/figure-11-01-02.jpeg)
Meiosis I
In meiosis I, the first round of meiosis, homologous chromosomes exchange DNA and the diploid cell is divided into two haploid cells.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18901/square/figure-11-01-05.jpeg)
Meiosis II
During meiosis II, the sister chromatids within the two daughter cells separate, forming four new haploid gametes.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18902/square/figure-11-01-06.jpeg)
Comparing Meiosis and Mitosis
Mitosis and meiosis share some similarities, but also some differences, most of which are observed during meiosis I.