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phenotype |
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phenotype (fē`nətīp'): see genetics genome, or characteristic set of genes, that contains the total genetic information for an individual organism. In many familiar organisms two genes for each trait are present in each individual, and these paired genes, both governing the same trait, are called alleles. ..... Click the link for more information. . phenotypeAll the observable characteristics of an organism, such as shape, size, colour, and behaviour, that result from the interaction of its genotype (total genetic makeup) with the environment. The phenotype may change throughout the life of an individual because of environmental changes and the changes associated with aging. Different environments can influence the development of inherited traits (e.g., size is affected by available food supply) and can alter expression by similar genotypes (e.g., twins brought up in dissimilar families may mature differently). Furthermore, not all inherited possibilities in the genotype are expressed in the phenotype, because some are the result of inactive, recessive, or inhibited genes. See also variation. phenotype the physical and biochemical characteristics of an organism as determined by the interaction of its genetic constitution and the environment phenotype [′fē·nə‚tīp] (genetics) The observable characters of an organism, dependent upon genotype and environment. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The use of the term mulato rather than pardo in this census suggests that, 19 years after abolition, predominant racial categories referred to skin color and other phenotypical characteristics. Herodotus emphasizes several characteristics of the above ethnicity model: (1) common blood (name, biological family, kinship patterns, and perhaps phenotypical features and myths of common ancestry); (2) common language; (3) common religion (religious practices, with shared historical memories implied); (4) common customs (customs, dress, food, music, houses, body markings, and the like). The impact of phenotypical behaviors associated with Prader-Willi syndrome on vocational outcome can be illustrated through case examples. |
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