Question

During meiosis $-I,$ the number of chromosomes is

• A. halved
• B. tripled
• C. doubted
• D. quadrupled

Answer 1

Answer: (A)

halved

Answer 2

The meiosis occurs in two steps meiosis$-I$ and meiosis$-II$. In meiosis$-I$. There is segregation of homologous pairs, i.e. paired chromosomes get separated and go to different gametes. So, the number of chromosomes becomes half in the two cells produced in meiosis$-I$. This is the reason it is called as reduction division. Meiosis-$U$ is simply mitotic division in which two daughter cells produced in meiosis$-I$ under go mitosis, thus produce four haploid daughter cells.