16.3

Question 1

humans

Answer 1

can also have traits controlled by 1 gene
smaller sample sizes for offspring
highly selective of mating choices

Question 2

interpreting pedigrees

Answer 2

circle=biological female
square= biological male
horiziontal line- mating
verticle line- offspring
shaded region: indivudals who are affected by the trait
-show trait phenotype
double horizontal line= mating between related indivuals
half shaded individaul= heterozygous carrier

Question 3

dominant pedigrees

Answer 3

affected indivudals can be heterozygous
unaffected offspring can be born to affected parents
cannot skip generation

Question 4

recessive pedigrees

Answer 4

affected individual must be homozygous
can skip generation
affected individuals can be born to unaffected
affected offspring more frequent when parents related