+**Heterozygosity** describes an organism possessing two different [Alleles](/wiki/allele) for a particular [Gene](/wiki/gene). This state often contributes to genetic variation and can offer evolutionary advantages, fostering adaptability in populations.
+## See also
+- [Allele](/wiki/allele)
+- [Homozygosity](/wiki/homozygosity)
+- [Genotype](/wiki/genotype)
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