Question

Long Answer Question:

Guess (i) the possible location of DNA on the collected evidence from a crime scene and (ii) the possible sources of DNA.

Evidence	Possible location of DNA on the evidence	Sources of DNA
e.g. Eyeglasses	e.g. Ear pieces	e.g. Sweat, Skin
Bottle, Can, Glass	Sides, mouthpiece	__________
__________	Handle	Sweat, skin, blood
Used cigarette	Cigarette butt	____________
Bite mark	____________	Saliva
__________	Surface area	Hair, semen, sweet, urine

Answer 1

Evidence	Possible location of DNA on the evidence	Sources of DNA
e.g. Eyeglasses	e.g. Ear pieces	e.g. Sweat, Skin
Bottle, Can, Glass	Sides, mouthpiece	Saliva, sweat
Door, baseball bat, a similar weapon	Handle	Sweat, skin, blood
Used cigarette	Cigarette butt	Saliva
Bite mark	Persons skin or clothing	Saliva
Blanket, pillow, bedsheet, dirty laundry	Surface area	Hair, semen, sweat, urine