Body Fluids and Circulation Question 14
14. There is no DNA in:
(a) mature RBCs
(b) a mature spermatozoan
(c) hair root
(d) an enucleated ovum
Show Answer
Answer : a
Hints & Solutions
(a) Red blood cells are the most common type of blood cell and delivering oxygen to the body tissues via the blood. There is no DNA in mature RBC. The reticulocyte which is the immediate precursor of the mature $RBC$ evolves into mature $RBC$ within 24 hours of release into the peripheral circulation.
