Figure 1 Schematic representation of five members of a polythetic class characterized by five properties, 1 to 5. Each member possesses several of these properties, but no single property is present in all the members of the class. This missing property in each case is represented by the gray sector.
Figure 2 Frequency distribution of pairwise sequence comparisons of 219 nucleic acid sequences of coat proteins of members of the family Potyviridae.
|
|  |