Use gel electrophoresis to separate PCR products and confirm if a family has an antibiotic-resistant strain of Streptococcus.

Level: 9-12 Biology

Overview: Students will use gel electrophoresis to separate PCR products and confirm if a family has an antibiotic-resistant strain of Streptococcus that is causing their strep throat.

Topics: antibiotic resistance, bacteria, genetics, DNA structure

Techniques: micropipetting, gel electrophoresis

Time: 45-50 minute class period. Additional time is required if students pour gels.