Definitions for "Genetic variability"
The state of being genetically variable, i.e. having more than one genetic state or allele at each gene locus. Such genetically variable populations are referred to as polymorphic.
the measure of variation in genetic makeup between individuals in a population; high levels of genetic variability are better than low levels within a population
the natural variation between plants (or animals) of the same species that causes differences in height, colour or yield, for example