Quantitation of the evidence DNA extracts from the Mockingbird Lane case return the following concentrations: Item # DNA Concentration (ng/ul) 1 22.6 2a 0.19 2b 0.03 3 0 4 3.75 Reagent Blank 0 All of the items were extracted in the same extraction set and each yielded 20uL of DNA extract. Indicate which DNA extract(s) should be diluted prior to PCR. (Mark all that apply) Item 1 Item 2a Item 2b Item 3 Item 4 Reagent Blank

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