Question

Find out the number of chromosomes and the amount of DNA in a spore mother cell of bryophytes in $G_2$ stage, if the space contains 5 chromosomes and 5 picograms of DNA.

Answer 1

In $G_2$ phase number of chromosome remains the same as it is 2n but DNA20 as in S phase the amount of DNA becomes 4C from 2C which is equal to 4X5=20.

So the answer is 'Chromosome is 5 but DNA becomes 20'.