heredity -
Hereditary transmission of the physical and genetic qualities of parents to their offspring; the biological law by which living beings tend to repeat their characteristics in their descendants.
Wikipedia
Heredity is the passing of traits to offspring (from its parent or ancestors). This is the process by which an offspring cell or organism acquires or becomes predisposed to the characteristics of its parent cell or organism. Through heredity, variations exhibited by individuals can accumulate and cause a species to evolve.
OmegaWiki Dictionary
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heredity Resemblance among individuals related by descent; transmission of traits from parents to offspring.
heredity The hereditary passing of biological attributes from the parents to its offspring.