mitrochondria DNAself-replicating material present in living organisms- the main constituent of chromosomes- the carrier of genetic information More contains some structural genesthe basic physical unit of heredity; a unit of heredity that is transferred from a parent to an offspring, and is held to determine some characteristics of the offspring and is generally inherited only through the female line; structures within cells that convert the energy from foodany nutritious substance that people or animals eat or drink, or that plants absorb, in order to maintain life and growth into a form that cells can use; among the 20,000-25,000 total genes in the human genome
