Evolution is the product of variation and selection.
Genetic recombination is a major source of variation for evolutionary selection. We offer additional information on tobamovirus sequence relationships and alignments of the movement proteins of the 30K superfamily . The Plant Pathology Internet Guide Book , by Thorsten Kraska. A subject oriented internet resource guide for Phytopathology, Applied Entomology, and all related fields. The lab's tobamovirus page is listed with All the Virology on the WWW .