<span>the alleles that control which blood group antigens appear on the suface of red blood cells are codominant.</span>
I think all three ideas should be selected since they were all in the blue box so it seems like it’s included
<span>Pancreas. The pancreas does so by having beta cells that secrete a certain amount of insulin after consumption of food. There are then delta cells that regulate the beta cells, and then gamma cells that in turn regulate the delta cells.</span>
it's the structure of the nucleotides
the basic building unit of nucleic acid
