What is the primary characteristic of pernicious anemia?

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Reduced generation of red blood cellsFaulty development of red blood cellsCan be treated solely with folic acid tabletsCan be managed by iron supplementation

Explanation

Pernicious anemia is mainly caused by improper maturation of red blood cells due to vitamin B12 deficiency, distinguishing it from conditions involving decreased red cell production or those treatable by folic acid or iron alone.