1 Lymph nodes, also referred to as lymph glands, are important part of the immune system.  Lymph nodes are located throughout the body, but visible and palpable only when they are enlarged or swollen.
Answer   Chromosomes are located in the nucleus of a cell in eukaryotes. In prokaryotes (which lack a cell nucleus) chromosomes are circular in shape usually found â¦ attached to the plasmid membrane.
A locus is the specific physical location of a gene or other DNA sequence on a chromosome, like a genetic street address. The plural of locus is  loci .n genetics, the specific site of a gene on a chromosome. All the alleles of a particular gene occupy the same locus. locus. the specific point on a chromosome where the gene is found. Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition.