In ___________ heterogeneity, a variety of mutations in a singlegene cause disease. Compound heterozygotes with twodifferent recessive loss-of-function mutations in the samegene may display the mutant phenotype.

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Chapter9: Patterns Of Inheritance
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In ___________ heterogeneity, a variety of mutations in a single
gene cause disease. Compound heterozygotes with two
different recessive loss-of-function mutations in the same
gene may display the mutant phenotype.

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Step 1

The genetic heterogeneity occurs through the production of single or similar phenotypes through different genetic mechanism. There are two types of genetic heterogeneity namely allelic heterogeneity and locus heterogeneity.

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