<genetics> The position of a gene in a linkage map or on a chromosome. ... (18 Nov 1997) ... 
The position of a gene in a linkage map or on a chromosome.
Type: Term Definitions: 1. The set of homologous parts of a pair of chromosomes that may be occupied by allelic genes. The locus thus comprises a pair of locations (except in the X chromosome in males). The concept of a locus is somewhat idealized, not taking into account accidents that may occur in meiosis such as duplication of loci as a result o...
A location on a chromosome (possibly of a diploid organism with variants that segregate according to the rules of Mendelian heredity)