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DNA Forensic Analysis in Biotechnology

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  1. DNA Forensic Analysis Biotechnology

  2. DNA is packaged in 23 chromosomes

  3. Humans have small DNA differences we call • Polymorphisms- • Smaller polymorphisms are called SNPs. • Single nucleotide polymorphisms

  4. Short repetitive sections of DNA • STRs (short tandem repeats)

  5. Variable Number of Tandem Repeats

  6. Restriction Fragment Length Polymorphism (RLFP) • Digest DNA with restriction enzymes and separate using gel electrophoresis

  7. PCR with primers, Heats and cools DNA to make billions of copies

  8. National Forensics • https://www.youtube.com/watch?v=JUoBTk1NDZ8

  9. DNA fingerprinting • https://www.youtube.com/watch?v=v0AwJLaM-Fk • https://www.youtube.com/watch?v=d_zBGB2r8Wc • Cracking the Code of life • Murder, Rape, and DNA Nova video • https://www.youtube.com/watch?v=IrATvK2_JUM

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