A somatic cell that has just completed the \(S\) phase of its cell cycle, as compared to gamete of the same species, has

(a) : In diploid cells (somatic cells) during \(G_1\) phase, \(DNA\) content is \(2C\) and chromosome number is \(2n\) whereas in haploid cells (gamete) during \(G_1\) phase, \(DNA\) content is \(1C\) and chromosome number is \(n\). \(S\) phase is marked by replication of \(DNA\) and the amount of \(DNA\) per cell is doubled \(i.e.\), it becomes \(4C\) in somatic cells, whereas chromosome number remains same \(i.e.\), \(2n\). Thus, a somatic cell which has just completed \(S\) phase, will have \(4C\ DNA\) content but \(2n\) chromosome number, while the gamete cell has \(1C\ DNA\) content and \(n\) chromosome number.