Why is 2 the correct answer to number 16 ? explain why and answer this

an egg cell has a haploid nucleus so it has half the number of dna because it fuses with a sperm cell to have the full amount of dna.

an egg cell has 23 chromosomes and a sperm cell has 23 chromosomes.

they both have half the amount of dna to form a zygote

answer; i do believe that the correct answer is; ///mendelian genes are at specific loci on the chromosome and, in turn, segregate during meiosis;