Howell–Jolly bodies contain

 # Howell–Jolly bodies contain: 
a. Iron 
b. DNA 
c. RNA 
d. Protein

The correct answer is B. DNA.

A Howell–Jolly body is a cytopathological finding of basophilic nuclear remnants (clusters of DNA) in circulating erythrocytes. During maturation in the bone marrow, late erythroblasts normally expel their nuclei; but, in some cases, a small portion of DNA remains.

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