Deoxyribonucleic acid (DNA) is contained in your body’s cells. It is a double, long chain of molecules called nucleotides that tell each cell what proteins to make. The DNA itself makes up chromosomes
Deoxyribonucleic acid (DNA) is contained in your body’s cells. It is a double, long chain of molecules called nucleotides that tell each cell what proteins to make. The DNA itself makes up chromosomes