Locus

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In genetics, a locus is a gene's location on a chromosome. A locus can be occupied by one of a number of alleles for the gene. Homologous chromosomes in diploid species have the same genes, but may have different alleles (heterozygous) for that gene.

This page is part of the EvoWiki encyclopedia of genetics and molecular biology.

Topics: Genetics - Transmission genetics - Molecular genetics - Population genetics - Quantitative genetics - Molecular biology - Genomics
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