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A man has a heritable disease, which his father suffers from, along with his son. His father’s symptoms are comparatively light, where his sons are profound and seen at a much earlier age. What is a good explanation for the mechanism that is causing this inheritance pattern? trinucleotide repeats are […]

A researcher recently finds out a mutant mouse with an interesting T cell phenotype. He called this new mutation: HD,” bred the mouse and then used these founders to produce a strain homozygous for HD. Some of his findings are summarized in the table below:   Thymocytes Lymph node t […]

Tragedy of the Commons Lab Objective: To enable students to learn how a common resource can become depleted when that resource is not regulated in some way because people act from self-interest for short term gain. Materials:• 1 paper bowl per group of 4 students• 1 package of M&M’s• 2 […]

In both lecture and lab, the significance of water (H2O), molecular oxygen (O2), and carbon dioxide (CO2) has been emphasized with regard to their energy content or participation in metabolic oxidation and reduction reactions. This lab has demonstrated that green leaf tissue shows both (A) photosynthetic light reactions and carbon […]