Another research direction in the laboratory has been the mechanisms maintaining genetic diversity. This frequency-dependent model permits a genetically heterogeneous host population to keep many pathogens at bay simultaneously. We hope to test this model more directly in the near future. To appear in the fall. Numerous length polymorphisms at short tandem repeats in a viral genome.
Mitochondrial sequences show diverse histories of African hominoids.
Abundant microsatellite polymorphism in S. cerevisiae, and the different distributions of microsatellites in prokaryotes and eukaryotes, result from strong mutational pressures and a variety of selective forces. Christopher Wills received his Ph.D. from UC Berkeley. As a Guggenheim Fellow, he worked at the Karolinska Institute, Stockholm, on protein chemistry and evolution. 9500 Gilman Dr. 2001 Regents of the University of California.