Which statement best describes why half of an individual's genes come from each parent? a during mitosis the number of chromosomes is reduced by half, creating haploid gamete cells. b during meiosis the number of chromosomes is reduced by half, creating diploid gamete cells. c during mitosis the number of chromosomes is reduced by half, creating diploid gamete cells. d during meiosis the number of chromosomes is reduced by half, creating haploid gamete cells?