Answer: It's about things happen
Explanation:
Active transport moves from low to high
Answer:
Individuals that cannot produce the H substance appear to be type O even if they have functional A and/or iB alleles.
Explanation:
The H antigen is a precursor to the ABO blood group antigens, present in people of all common blood types. The Bombay phenotype (hh) does not express antigen H on red blood cells.The person with blood group O contain the H antigen but it remains unmodified remains unmodified.