The inherited disease sickle cell anemia occurs because of an abnormally shaped protein taking the place of one of the chains.
a. alpha
b. beta
c. gamma

B. beta

Explanation:

Sickle cell anemia is a inherited disorder which occur due to mutation of gene responsible for synthesis of hemoglobin protein. Typically the gene which is responsible for synthesis of beta-globin protein which make the beta chains in the hemoglobin is affected by the mutation.  As a result of this the red blood cells acquire a shape of sickle rather than round. Pain, cold, stress, dehydration and illness are the symptoms associated with this disorder.

answer; /// i believe the name your looking for is called (plaque)or check good luck

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.