How and why do variations arise?
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Genetic\xa0variation can\xa0be caused by mutation (which\xa0can\xa0create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism\’s offspring).
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism\’s offspring).
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), Gandom mating, Gandom fertilization, and recombination between homologous chromosomes during meiosis ( which reshuffles alleles within an organism\’s offspring).