Unit 2 - AOS 2 - Genetic Pedigrees

Question 1

Characteristics of autosomal dominant traits

Answer 1

1. equal numbers of M and F effected
2. Does not skip generations
3. Affected individuals must have at leas one affected parent (AA/Aa)
4. If both parents are normal (aa) no child will show the disorder
5. If normal and effected couple have a normal child (effected parent is heterozygous)
6. If normal and affected couple produce only affected children