Given the following equation, 2 N2 + 5 O2 â 2 N2O5, 1.25 moles of nitrogen requires _____ moles of oxygen.
Causes of sickle cell anaemia. Sickle cell anaemia is caused by a genetic mutation that affects the normal development of haemoglobin. A genetic mutation is a permanent change in the normal pattern of genetic information inside all living cells.This results in one or more of the body's processes not working properly.ickle cell anaemia is caused by a genetic mutation that affects the normal development of haemoglobin. A genetic mutation is a permanent change in the normal pattern of genetic information inside all living cells. This results in one or more of the body's processes not working properly.
1 Sickle cell anaemia is caused by a mutation in a gene called haemoglobin beta (HBB), located on chromosome 11. 2  It is a recessive genetic disease, which means that both copies of the gene must contain the mutation for a person to have sickle cell anaemia.