Meiosis is a reductional division, which involves two rounds of division and results in four haploid cells.
During meiosis I, the homologous chromosomes pair and recombine, and after that, they are separated into two haploid cells.
During meiosis II, the sister chromatids are separated, and a total of four haploid cells are produced.
Of the options, the sentence that better describes what happens in meiosis is A, chromosome pairs separate to form new sex cells, increasing genetic variation.
