a trait that will appear in the offspring if one of the parents contributes it

a trait that must be contributed by both parents in order to appear in the offspring

the passing on of physical or mental characteristics genetically from one generation to another

one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome

the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment

the genetic constitution of an individual organism