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Nat Rev Genet. 2001 Apr;2(4):245-55.

Phenotype-genotype relationships in monogenic disease: lessons from the thalassaemias.

Author information

1
Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK.

Abstract

The remarkable phenotypic diversity of the beta-thalassaemias reflects the heterogeneity of mutations at the beta-globin locus, the action of many secondary and tertiary modifiers, and a wide range of environmental factors. It is likely that phenotype-genotype relationships will be equally complex in the case of many monogenic diseases. These findings highlight the problems that might be encountered in defining the relationship between the genome and the environment in multifactorial disorders, in which the degree of heritability might be relatively low and several environmental agents are involved. They also emphasize the value of an understanding of phenotype-genotype relationships in designing approaches to gene therapy.

PMID:
11283697
DOI:
10.1038/35066048
[Indexed for MEDLINE]

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