Given
1. Blood cells
2. Bone cells
3. Hair strands
4. Saliva
Samples taken for DNA testing in criminal investigation can be
A. Only 1, 2 and 3
B. Only 1 and 4
C. Only 2 and 3
D. 1, 2, 3 and 4
Answer: Option D
This Question Belongs to Biology GK Chapter Wise >> Biotechnology
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