The flowering part in Monocot plants are in multiples of threes is a true statement. There can be either three or in multiples of three <span>flowering parts. </span>
In hemophilia A it’s caused by a mutation in the gene for factor VIII. Hemophilia B is a result in a deficiency in factor IX due to a mutation in its corresponding gene.
In both cases, it is a mutation in the DNA (the macromolecule).