What exactly are these “jumping genes,” and why are they so ... C Recessive allele on the short arm of chromosome 9 that leads to color development. Bz Dominant allele on the short arm of ...

Transposable elements, or "jumping genes", were first identified by Barbara McClintock more than 50 years ago. Why are transposons so common in eukaryotes, and exactly what do they do? In addition ...