Biology Topic 17

Question 1

Autosomal Dominant

Answer 1

All affected individuals have an affected parent
Cannot skip a generation
Equal numbers of males and females are affected

Question 2

Autosomal Recessive

Answer 2

Can skip a generation
Unaffected parents may produce affected offspring
Equal numbers of male and females affected

Question 3

X-linked Dominant

Answer 3

More females are affected than males
Affected fathers pass the trait to all their daughters and to none of their sons
An affected male always has an affected mother

Question 4

X-Linked Recessive

Answer 4

More males are affected than females
Affected mothers pass the trait to all their sons
Cannot skip a generation

Question 5

Genetic Screening

Answer 5

The testing of segments of a population, as part of an organized program, for the purpose of detecting inherited disorders

Question 6

Genetic Testing

Answer 6

The Scientific testing of an individual’s genotype