27. An example of co-dominance is blood type. There are four types of blood, A, B, AB and O. Fill out the missing genotypes in the table below.
Blood Type |
Antigen |
Antibody Against |
Genotype |
A |
A |
B |
AA or Ao |
B |
B |
A |
BB or Bo |
AB |
A, B |
- |
AB |
O |
- |
A, B |
oo |