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A B C D E F. DNA Sample Key. A: DNA from crime scene with Enzyme 1 B: DNA from crime scene with Enzyme 2 C: DNA from suspect 1 with Enzyme 1 D: DNA from suspect 1 with Enzyme 2 E:DNA from suspect 2 with Enzyme 1 F: DNA from suspect 2 with Enzyme 2. Restriction Enzymes. - PowerPoint PPT Presentation
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ABC
DEF
DNA Sample Key
• A: DNA from crime scene with Enzyme 1• B: DNA from crime scene with Enzyme 2• C: DNA from suspect 1 with Enzyme 1• D: DNA from suspect 1 with Enzyme 2• E:DNA from suspect 2 with Enzyme 1• F: DNA from suspect 2 with Enzyme 2
Restriction Enzymes• Cut DNA in at specific location based on base
sequences called restriction sites
Bam HI
ATGCGTGGCCGTACTACCCATGGATCCGGGTATATAGTACGCACCGGCATGATGGGTACCTAGGCCCATATATC
5’-GGATCC-3’3’-CCTAGG-5’
↓
↑
↓
↑
Restriction Enzyme II: HaeIII
ATGCGTGGCCGTACTACCCATGGATCCGGGTATATAGTACGCACCGGCATGATGGGTACCTAGGCCCATATATC
5’-GGCC-3’3’-CCGG-5’
↓
↑
↓
↑