The correct answer is option B. Of the following choices given, carbon dioxide is produced during both anaerobic and aerobic respiration. It is the common thing between the two respiration. Anaerobic respiration is the process which do not need oxygen to produce products while the opposite is called aerobic respiration.
If both parents have type o, the child will also have type o, if parents are both type O the children will only inherit type O since type A and B are dominant over type O
