Multiple choice

Name the genetic disorder that occurs due to altered beta polypeptide chain of the globin portion of the hemoglobin.

  1. Pernicious anemia

  2. Sickle cell anemia

  3. Mononucleosis

  4. Aplastic anemia

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In this, beta chain of globin molecule is altered due to replacement of single amino acid that results in sickling of  RBCs thus, making them defective.