locus

locus Definition

lo·cus (lō′kəs)

noun pl. lo′ci′lō′sī′

a place
Genetics the position on a chromosome occupied by a particular gene
Math.
1. any system of points, lines, etc. which satisfies one or more given conditions
2. a line, plane, etc. every point of which satisfies a given condition and which contains no point that does not satisfy this condition

Etymology: L: see local

locus Law Definition

Latin

The place or location of a thing or event.

locus Usage Examples

Preposition: on

chromosome: The formal correlation of individual genes mapped to specific loci on the chromosomes with certain characters has only a limited meaning.

Adjective modifier

polymorphic: A total of 104 polymorphic loci was found among the 300 strains.
retinal: Reading speed improves if a new trained retinal locus ( TRL ) is established in an area that is more favorable for reading.
quantitative: In addition to the search for quantitative trait loci, some major genes were also studied.
genomic: These results have quite important meaning in the survey of genomic locus which is responsible for radiation hypersensitivity.
genetic: For most genetic loci which have been tested, there have been inconsistent results.
internal: People either have an external or internal locus of control.

Modifies a noun

standi: In the situation which their marriage would create he could see no locus standi for himself at all.
classicus: John Bunyan's Pilgrim's Progress gives us the literary locus classicus.
ceruleus: In the brain stem close to where it joins the brain proper are the raphe nuclei and the locus ceruleus.
delicti: The locus delicti has been described as affording a " weighty circumstance " pointing to the jurisdiction where any claim arising should be tried.
coeruleus: During chronic exposure to exogenous opioids, up-regulation of the neurons in the locus coeruleus region of the brain occurs.

Noun used with modifier

microsatellite: Paternity of offspring was analyzed using 7 DNA microsatellite loci.
susceptibility: Overall, the linkage analyzes for the chromosomal sites reviewed above present a profile of multiple susceptibility loci of small or moderate effect sizes.
lex: It introduces a new general rule in favor of the lex loci delicti as the prima facie applicable law.
beta-globin: While the chicken locus looks similar to the mammalian beta-globin loci at first glance, there are some major differences.
genius: Even today, " every landscape of old trees has its own genius loci " , whose presence can be sensed in ancient woods.
trait: In addition to the search for quantitative trait loci, some major genes were also studied.

Preposition: in

genome: The repeated sequence is often found at several or many loci in the genome.

Preposition: of

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