BIOL 205 Chapter Notes - Chapter 5: Pigment, Auxotrophy, Thiamine
Document Summary
Can result in increased mrna, increased protein levels. Mutation that changes amino acid sequence that can result in protein stability or increased activity. Proteins that normally function as dimers or in a protein complex. Dominant because they"re creating a special type of protein. It acts as a poison product interfering with the regular product. If you have two wild type alleles, and you need a dimer to function. Having the abnormal proteins can interfere with the normal keys in the lock and key analogy. A mutation in a gene that is expressed at a different time or tissue. Antennapedia antenna foot where a transcription factor controls the placement of legs, lefs come out of where the antennas should. Need 2 null alleles for antennapedia, when you don"t have it, an anetenna comes out. Chromosomal inversion under control of a different promoter. Hbs hbs: severe, often fatal anemia, abnormal hemoglobal causes red blood cells to have sickle shape.
