Condition in which a genetic character occurs in more than one form, resulting in the coexistence of more than one morphological type in a given population.
a naturally occurring variation in the normal nucleotide sequence of the genome within individuals in a population
Presence of several genetically controlled variants in a population.
A difference in DNA sequence among individuals, groups, or populations, which may be the result of chance processes or may have been induced by external agents.
Difference in DNA sequence among individuals, groups, or populations (e.g., genes for blue eyes versus brown eyes).
The occurrence of one or more different alleles at the same locus in a one percent or greater of a specific population.