2025 NSTA Philadelphia • EDVOTEK® Workshops

DNA Detective: Reuniting Families with DNA Fingerprinting and Electrophoresis

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Linking STEM to Agarose Gel Electrophoresis For 10 Lab Groups. Link important STEM concepts using Agarose Gel Electro - phoresis. Help your students learn about the application of gel electrophoresis in DNA Fingerprinting, DNA Paternity Testing, Genetics (related to health and well-being), and the detection of Genetically Modified Foods. These dyes can be separated in agarose gels and students will use core STEM tools to determine band size and utilize critical thinking and reasoning skills. Four unique module options are supplied. • Learn the biology behind gel electrophoresis and polymerase chain reactions (PCR) • Perform agarose gel electrophoresis to separate different sized dye molecules • Load, run, and analyze five simulated DNA samples plus a simulated DNA ladder • Choose from four real world scenarios: crime scene, paternity test, GMO detection, or medi - cal diagnosis Cat. #S-46 (Dye-based experiment) Whose DNA Was Left Behind? For 10 Lab Groups. DNA obtained from a single hair left behind at a crime scene can be used to identify a criminal. In this experiment, your students will com - pare simulated crime scene DNA with that of two suspects. • Learn about DNA fingerprinting while solving a crime! • Introduce the biotechnologies of restriction enzyme digestion, PCR, and electrophoresis • Perform agarose gel electrophoresis to separate different sized dye molecules • Load, run, and analyze simulated crime scene and suspect samples. Cat. #S-51 (Dye-based experiment) DNA Paternity Testing Simulation For 8 Gels. This experiment introduces students to the use of DNA fingerprint - ing in a simulated paternity determination. A child’s DNA fingerprint is com - pared with his parents. The experiment does not contain human DNA. • Learn genetics and molecular biology techniques by solving a hypothetical paternity case • Introduce students to restriction enzymes, PCR, and electrophoresis • Perform agarose gel electrophoresis to separate differently-sized DNA molecules • Load, run, analyze, and size pre-digested PCR samples to determine the biological parents of a child Cat. #114 (with FlashBlue™ Stain) Cat. #114-S (with SYBR® Safe DNA Stain)

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