When a person needs transfusion, the link on compatibility (option A) is most apt.
What is genotype?
The genotype of an individual is the number of genes that the individual possess.
Using the Mendel crossing, we can see that if the parents are AB and AO one offspring will have type A blood.
If we look at the chart, we can see that the blood type A and B are both codominant and are dominant over O hence option K is correct.
When a person needs transfusion, the link on compatibility (option A) is most apt.
Learn more about blood group:https://brainly.com/question/17052766
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