1 Hemophilia A, the most common type, is caused by insufficient clotting factor VIII. 2  Hemophilia B, the second most common type, is caused by insufficient clotting factor IX. 3  Hemophilia C, in which signs and symptoms are often mild, is caused by insufficient clotting factor XI.
Photosynthesis produces what? Photosynthesis produces glucose (C6H12O6) which is required by organisms for respiration, it also gives off bi-products of O2 and water, the oxygen is released into the atmospâ¦here or recycled by the plant in its own respiration reactions. 1 person found this useful.
Quick Answer. Plants produce oxygen as a byproduct of photosynthesis, the process that plants and other organisms use to create usable energy. Photosynthesis consists of carbon dioxide and water reacting in the presence of energy from sunlight, which produces glucose and oxygen.