Human genetics

Question 1

Dominant traits

Answer 1

• appear in every generation
• Equally affects women and men
• 1/2 of offspring are affected

Question 2

Recessive traits

Answer 2

• The trait may skip a generation
• Offspring may not be affected

Question 3

Things that jeopardize pedigrees

Answer 3

Incomplete penetrance: When an individual with a genotype with a trait does not show the Phenotype

Variable expressibility: when the severity of a phenotype expressed varies