Question

The given figure shows the development of an embryo that undergoes two phases A and B. Select the correct option regarding it.

Answer 1

Answer:

Sickle cell anaemia is a genetic disorder where in the haemoglobin is defective resulting in crescent shaped RBCs. It cannot be treated with iron supplements. But it offers resistance against malaria. In African population, where malaria is rampant, sickle cell anaemia is a protective disorder. Hence all the above are true.