Answer:
A. Giraffe
Explanation:
The more chromosome pairs it has, the more genetically different gametes it will produce
The result of this would greatly depend on the genotype of the parents. If either the father is homozygous Type A and the mother is homozygous Type B, then yes, a mix up has occurred because the probability of having an offspring with the blood type O would be zero. But if both of them are heterozygous, then having a child with type O will be possible with a 25% probability.
Your Answer would be 3. Also known as Lithium.