patterns of inheritance Flashcards
1
Q
phenotype ratio of simple monohybrid cross
A
1:3
2
Q
what is co dominance?
A
2 diff alleles for a gene are equally dominant so are both expressed in phenotype
3
Q
typical phenotype tatie for co dominance
A
1:2:1
4
Q
multiple alleles - blood group
A
IA
IB
IO
a and b co dominant
a and b both dominant to o
5
Q
typical phenotype ratio in sex linked inheritance
A
- 1:1
6
Q
describe haeomophillia
A
- recessive allele faulty
- written as X H or X h
7
Q
dihybrid inheritance ratio
A
9:3:3:1
