pedigree and blood type/gene info.

Question 1

autosomal dominant (3 things)

Answer 1

1. cant skip generations
2. unshaded individuals are all homozygous recessive
3. shaded individuals are heterozygous or homozygous dominant

Question 2

autosomal recessive (3 things)

Answer 2

1. can but doesnt have to skip generations
2. shaded individuals are homozygous recessive
3. unshaded individuals that have shaded children MUST be heterozygous

Question 3

sex linked dominant (1 thing)

Answer 3

100% incidence from an affected father to affected daughters suggests x linked dominance

Question 4

sex linked recessive (4 things)

Answer 4

1. can but doesnt have to skip generations
2. males only need one copy of the gene to show the trait
3. if a female has it, all of her sons will have it
4. in order for a female to get it, her father must have it

Question 5

what type of condition is huntingtons disease?

Answer 5

autosomal dominant