DNA - Deoxyribonucleic acid is a molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
Genes - A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
Chromatin - The material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.
Inheritance - The reception of genetic qualities by transmission from parent to offspring
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