Explanation:
Tay Sachs disease is a genetic disorder caused by the mutation in the gene which codes for the enzyme that breaks down the ganglioside in the brain and the spinal cord. The Tay Sachs disease proves fatal to lives as the mutation is involved in the enzyme involved in the metabolism in the brain and spinal cord.
The Sickle cell anaemia is a disease which is caused by the mutation in the gene which causes the change in the cellular structure. The shape of the red blood cells does not prove fatal not all the red blood cells are affected with this and some cells can transport the oxygen.
When they are not touching food. Duh
The main idea is usually in the first sentence of the essay or in the last paragraph. I believe that C is the correct answer. I hope this helped and feel free to thanks me, rate me 5/5 and make me brainliest!!!
