What name is given to the specific location of a gene on a chromosome?
A locus (plural loci) is the specific location or position of a gene, DNA sequence, on a chromosome, in the field of genetics.Each chromosome carries many genes; humans' estimated ' haploid ' protein coding genes are 20,000-25,000, on the 23 different chromosomes.A variant of the similar DNA sequence located at a given locus is called an allele.ach chromosome carries many genes; humans' estimated ' haploid ' protein coding genes are 20,000-25,000, on the 23 different chromosomes. A variant of the similar DNA sequence located at a given locus is called an allele.