Chromosomes Strand of DNA that carry genetic information There are 46 in each cell (except for the sex cells) and are found in 23 pairs, each half of the pair comes from either your mom or dad.
Fertilization This is when a parent will give their genes to their child. The parents create a zygote, which is a single cell formed by the union of a sperm and an egg.
Genes DNA segments that serve as the key functional units in hereditary transmission. They are found on chromosomes.
More on Chromosomes Each of the 23 chromosome pairs can be scrambled in over 8 million (2 to the 23 rd power) ways. This is not including any mutations or crossing overs that may occur. So because of this :