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Biology, 20.09.2019 16:30 quesorules7101

Aforensic scientist finds a single skin cell from saliva on a cigarette butt left in a room where a murder has just occurred. what process might he or she utilized to accumulate enough dna to determine who left the cigarette at the scene of the crime?
a. genetic engineering
b. gene therapy
c. gel electrophoresis
d. polymerase chain reaction

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