Question

the cell has 2n =24 chromosomes and DNA content is 2C then correct option for each cell of dyad of cell?​

Answer 1

Answer:

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Answer 2

Answer:

The number of chromosomes and amount of DNA are changed in anaphase and S phase respectively.(i) In S phase, number of chromosomes remain same but each chromosome replicates so that it comes to have two chromatids. Due to this the DNA contents doubles from 1C to 2C or 2C to 4C depending upon haploid/diploid nature of cell.(ii) In Anaphase. In mitotic anaphase, number of chromosome remains the same. It is only sister chromatids which move towards their respective poles. DNA contents remain unchanged. In Anaphase-I of meiosis, number of chromosomes are reduced to half, i.e., from 2N to 1N. DNA contents decrease to one half in Anaphase-I of Meiosis-I from 2C to 1C