Question

Choose the correct answers from the alternatives given :
Meiosis involves:

• A. two nuclear divisions with chromosomes dividing only once
• B. two nuclear divisions with chromosomes dividing twice
• C. two nuclear divisions with chromosomes dividing four times
• D. one nuclear division with chromosomes dividing only once

Answer 1

The correct option is A two nuclear divisions with chromosomes dividing only once

• Meiosis is the division where the cell after dividing produces 4 daughter cells where the genetic material is halved as compared to the mother cells.
• Meiosis is divided into meiosis 1 and meiosis 2. In every meiosis the nucleus is divided once.
• And after the meiosis 1 the nucleus is divided once and the chromosomes are halved during this meiosis.
• In the meiosis 2 the chromosomes are not divided but the nucleus is divided once
• This way 4 nucleus are formed after one meiosis and the chromosomes are halved.
• Meiosis takes place in the formation of gametes where the genetic material is required to be halves for the formation of haploid gametes.
• Therefore the answer option 'two nuclear divisions with chromosomes dividing only once' is correct.