Phenotype

Phenotype [ Biology ]

Dictionary of botanic terminology - index of names


	*The observable or measurable outward characteristics of an individual organism determined by the interaction of its genetic make-up with the environment.*

The phenotype of an individual organism is either its total physical appearance and constitution, or a specific manifestation of a trait, such as size or colour, or the presence or absence of a disease, that varies between individuals and manifested throughout its life. A single characteristic can be referred to as a "trait," although a single trait is sometimes also called a phenotype. Phenotype traits are determined to some extent by the genes present in an individual. Some phenotypes (such as the colour of a flower) are completely determined by heredity, while others (such as the size of a plant) are readily altered by environmental agents. . Many phenotypes are determined by multiple genes and influenced by environmental factors.

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