The differences between a sprint, Olympic, and Ironman distance triathlonsâand how to choose between them. By Madeline Haller, Photography By Getty Images May 22, 2015.
Locus (genetics) A locus (plural loci) in genetics is the position on a chromosome. Each chromosome carries many genes; humans' estimated 'haploid' protein coding genes are 19,000-20,000, on the 23 different chromosomes. A variant of the similar DNA sequence located at a given locus is called an allele.
Locus is a Latin word for place.. Its plural is loci.. In geometry, locus refers to a set of points that are described by some statement about their position. For example, the locus of points that are 1 unit from point A refers to the set of all points that are 1 unit from point A. This would be the circle with center A: