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Phenotype |
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The term phenotype (Greek, ‘kind of manifestation’), in the life sciences, refers to the characteristics of an individual, produced by the expression of genetic information and modified by the environment. The phenotype is not inherited and cannot be transmitted genetically to subsequent generations; contrary to the ideas of many 19th-century scientists such as Lamarck (see Lamarckism). It can change during the lifetime of an individual in response to environmental changes. An example of a phenotypic characteristic is a suntan: it is produced as a response to the environment, but only the ability to tan is transmitted in the genotype. RB |
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