MCQ
Blood stain component to be used for $\text{DNA}$ profiling technique is:
- ASerum
- ✓Leucocytes
- CPlatelets
- DErythrocytes
✓
Answer
Correct option: B.
Leucocytes
$B.$ leucocytes leucocytes are the only components that have nucleus. Platelets and erythrocytes do not have nucleus. Serum is the solute and solvent component of blood that does not contain clotting elements and cellular components. The leucocytes are used for the $\text{DNA}$ profiling by the $\text{DNA}$ isolated from the leucocyte nucleus.
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