Introduction to Inheritance and Risk Assessment Tut

Annika talks about what would happen in a mutation affects gene dosage

sometimes mutations can lead to reduced function but still functional

talks about: Penetrance penetrance is how many people will display disease phenotype when possessing disease phenotype.

Expressivity expressivity is how much the phenotype comes through. eg mild and severe disease

she talks about pedigrees and basic genetics

Dynamic mutations like CAG repeat with huntingtons. gets worse with each generation