This Monday in… Genetics: Nature or Nurture?
Today in Genetics: Nature or Nurture, the students extracted their own DNA with the goal of identifying whether or not their DNA contained the PTC gene. The gene reveals whether or not the campers can taste bitter (PTC) or not! Once the campers had their DNA, they prepared it for a Polymerase Chain Reaction (PCR) experiment to then amplify the gene and eventually reveal whether or not the gene was present.
Ask your student: What are polytene chromosomes? (The ‘giant’ chromosomes found in the salivary glands of drosophila larva that are result from several rounds of DNA replication without cell division)