Citation:
Genetic variation refers to differences in the genetic makeup among individuals within a population or species due to mutation, gene flow, sexual reproduction etc., which is essential for evolution by natural selection.
A change in the DNA sequence that can introduce new genetic variation.
The transfer of genes from one population to another, increasing genetic variation in the receiving population.
The process by which offspring are produced from two parents, contributing to genetic variation through recombination and segregation of genes.