one of the tiny threads in every nucleus in animal and plant cells, carrying genes

deoxyribonucleic acid

(deoxyribonucleic acid) the main chemical substance of all organisms

deoxyribonucleic acid

one of the biological factors controlling heredity

deoxyribonucleic acid

a chemical substance that is an essential part of all living cells

deoxyribonucleic acid

a chemical substance present in living cells that helps produce proteins

deoxyribonucleic acid