8.3 Flashcards
(9 cards)
1
Q
How many alleles need to be recessive for the trait to appear
A
2
2
Q
What does autosomal mean
A
the trait is on a normal chromosome
3
Q
How do you know a trait is dominant
A
if both parents are affected and have an unaffected child
4
Q
how do you know a trait is recessive
A
if both parents are unaffected and have an affected child
5
Q
what if there are more affected males than females
A
recessive sex linked
6
Q
do affected daughters have affected fathers
A
recessive sexx linked
7
Q
do affected mothers have affected sons
A
recessive sex linked
8
Q
do all affected males have effected daughters
A
dominant sex linked
9
Q
Chi Square test expected values
A
Observed total / punnet square ratios