Well, basically we can say that <span>Best Disease expresses itself more through the generations. The reason for that is because it is dominant. While we may say that the allele of the sickle cell anemia its indeed a recessive trait with 0% of chances, Best desease is a dominant trait with 50% of chances.</span>
The odds are astronomical for a father with AB(IV) to have an O(I) child. The only possible way for this phenomenon to occur is if there was a nondisjunction in the ovogenesis for the 9th chromosome and the father also had a nondisjunction for the same chromosome(A sperm cell with no 9th chromosome fertilized an ovum with two 9 chromosomes).
A person with AB cannot donate to a person with O because the receiver has antibodies(alpha and beta) that bind to the antigens on the AB blood cells, causing death.
Enzymes are considered catalysts, they help reactants and can be used over and over
<span>Because death by a predator would be quicker than death by starvation. </span>
