Genetic diversity
Genetic diversity refers to the variety of genes within a species or population, reflecting the total number of genetic characteristics in the species and the frequency of those characteristics. In the context of population genetics, genetic diversity encompasses different measures such as heterozygosity, nucleotide diversity, and allelic richness, which are used to assess the genetic health and evolutionary potential of populations. These measures help researchers understand how factors like mutation, gene flow, genetic drift, and natural selection contribute to the distribution and frequency of genetic variation within a population. By examining genetic diversity, scientists can gain insights into the historical demography, phylogeography, and adaptive capacity of species, ultimately informing conservation strategies and management decisions for maintaining biodiversity.