A diploid cell of the lily plant Lilium lancifolium has a chromosome number of 2n=242n = 242n=24. During reproduction, these cells undergo meiosis to produce haploid microspores (pollen grains). If the mass of DNA in the nucleus of a diploid cell of this plant during the G1 G_1\,G1 phase of the cell cycle is CCC, which of the following correctly identifies the number of chromosomes and the mass of DNA in the nucleus of a single microspore at the end of meiosis II?
121212 chromosomes and a DNA mass of 0.5C0.5C0.5C
121212 chromosomes and a DNA mass of 1.0C1.0C1.0C
242424 chromosomes and a DNA mass of 0.5C0.5C0.5C
242424 chromosomes and a DNA mass of 1.0C1.0C1.0C