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4 Cards in this Set

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Inheritance of alpha 1 antitrypsin deficiency

Codominant

Variability vs penetrance

Variability: severity varies among affected individuals


Penetration: proportion of affected individuals that will show disease

Diseases famous for germline mosaicism

Osteogenesis imperfecta


Duchenne muscular dystrophy

Children will have disease


Parents will test negative in genetics as DNA test is usually on somatic cells. Even some germline cells will be negative

Production of multiple effects by a single gene mutation

Pleiotrophy

Effect of mutation varies among different organ systems