The phrase "gene locus" refers to a specific location on a chromosome where a particular gene is located. It is like an address that points to the spot where a specific gene is located in the DNA sequence. Full definition
From the genome wide scan, a set of gene loci correspond to thermostatic regulation has been identified. (sciencedaily.com)
To demonstrate the critical role for ecRNA - directed methylation, first author Katherine Savell, a graduate student in the Day lab, blocked one specific ecRNA for the Fos gene locus in the hippocampus of the rat brain. (sciencedaily.com)
The human T cell receptor beta (TRB, previously known as TCRB) gene locus on chromosome 7 (7q34) includes 65 Vb (variable) gene segments, followed by two separate clusters of genes each containing a Db (diversity) gene, several Jb (joining) genes, and a Cb (constant) region spread over 685 kilobases. (invivoscribe.com)