Homework SoursePunnett square Father and mother are heterozygous and each a
Punnett square: Father and mother are heterozygous and each are carriers for a dominant linked disorder. What is the % chance the child will be born with the disorder
Punnett square: Father and mother are heterozygous and each are carriers for a dominant linked disorder. What is the % chance the child will be born with the disorder
Punnett square: Father and mother are heterozygous and each are carriers for a dominant linked disorder. What is the % chance the child will be born with the disorder
Solution
parents
A
a
A
AA
Aa
a
Aa
aa
Since parents are heterozygotic carriers their phenotype is Aa Aa
The gamets are A a
Progeny 25%AA 50%Aa 25%aa ie 1:2:1
25% chance for having the disease(AA)
| parents | A | a |
| A | AA | Aa |
| a | Aa | aa |
