Pedigrees Flashcards
1
Q
Autosomal dominant
A
Affected individuals always have affected parents
2
Q
Autosomal recessive
A
Unaffected parents can have affected offspring (trait can skip a gen)
3
Q
X-linked recessive
A
Males are affected more frequently than females
4
Q
Difficulties with human genetics
A
- can noted perform controlled crosses
- small #of offspring
- long gestation time and long generation time
- no true-breeding strands
- environmental factors