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