Question

A parent cell has 38 chromosomes and 42 pg of dna content. What must be the number of chromosomes and dna content at the given stages :- end of s-phase anaphase number of chromosomes dna(pg) number of chromosomes dna(pg) (1) 38 42 76 42 (2) 76 84 76 84 (3) 38 84 76 84 (4) 38 84 38 84

Answer 1

Answer:4

Explanation during s phase only the dna content doubles but not the chromosome number

And during the anaphase the sister chromatids seperate by breaking of centriole leading to same number of chromosome in each new cell and thus the chromosome content reduces due to seperation