Because there are 23 chromosomes in the haploid cells. Chromosomes from each haploid cell (sperm/egg) come together to from a diploid cell, meaning that the 23 chromosomes from the sperm have intermixed with 23 chromosomes in haploid cells of the egg so this is you answer hope this helped
<span>Observation of the solar system support the nebular theory because all planets orbit the sun in the same direction and in roughly the same plane.</span>
