Question :
Which of the following sources could not be used to obtain the DNA of a person lost in a mass disaster?
- used and unwashed clothing or bed sheets
- food found in the victim's refrigerator
- sunglasses regularly used by the person
- a toothbrush used by the person
Answer :
food found in the victim's refrigerator could not be used to obtain the DNA of a person lost in a mass disaster.
So, correct answer is 2nd one.