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PTC Genetics MiniLab


Hands-on MiniLabs are a fun and engaging series of gel electrophoresis labs that take students from mastery of basic biotech skills through popular applications of electrophoresis in forensics, DNA fingerprinting, and human genetics, and finally to a challenging, real-world investigation of a foodborne outbreak.

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Here’s a fascinating lab perfect for life science and biology students to help them develop a better understanding of genetics and how dominant and recessive traits affect our daily lives. Taste the PTC paper – are you a taster ?

  • Students construct a hypothesis about single trait Mendelian inheritance and design an experiment to test it
  • Cast, load, and run DNA samples from a family to connect genotype to phenotype
  • Construct a Punnett square and a family tree to explain experimental results
  • Store in the refrigerator; GelGreen™ Cups should be left in the original package and protected from light; guaranteed stable for six months with proper storage

Materials included in each MiniLab

Each MiniLab contains enough materials for 10 workstations, 2 – 3 students per workstation.

  • 10 2% agarose GelGreen™ Cups
  • 6 pre-digested DNA samples
  • 40 pieces of PTC tasting test paper
  • 1 bottle of 100 ml Tris-Borate-EDTA (TBE) buffer concentrate, enough to make 2L of 1X running buffer
  • 1 bag of 0.65 ml microcentrifuge tubes
  • 1 bag of 2-200 µl micropipette tips
  • 1 Teacher's guide

Teaching resources

Teacher's guide, student guide and classroom handouts to get the most out of your PTC Genetics Kit.