DNA: Deoxyribonucleic Acid. Information cells “read” to know what to do. Makes up chromosomes. You have 23 pairs of chromosomes. Each of these are made of 100s or even thousands of genes.
What makes you you. You have 23 pairs of chromosomes, in each pair, you one from your mom and one from your dad. Chromosomes also affect what gender you are. Located within a cells nucleus, made up DNA, humans have 23 pairs.