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6 Cards in this Set
- Front
- Back
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Genetic Imprinting
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differences in the phenotype of an
individual depending on which parent was the source of the mutant allele |
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Reduced penetrance
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less than 100% of individuals with the appropriate genotype display the expected phenotype
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Variable expressivity
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differences in severity of the
expression of the phenotype between individuals |
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Phenotypic variability
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can be due to allelic heterogeneity or
locus heterogeneity |
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Delayed onset
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e.g. triplet repeat expansion disorders
(Huntington disease, myotonic dystrophy, etc.) |
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pleotropy
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a bunch of unrelated symptoms that are caused by the same disorder
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