<u>Adaptation </u>is <span>an inherited characteristic that increases an organisms chance of survival. Every organism has the ability to adapt to its surroundings - the thing is, some organisms are better at it than others. As a result of that, those organisms are more likely to survive many events that those organisms which cannot adapt as easily won't. It is the survival of the fittest - those that can learn how to adapt properly will survive, whereas the others won't. </span>
Someone with blood type AB must have both the A and B alleles. The genotype must be AB. Someone with blood type O has neither the A nor the B allele. The genotype must be OO.
