Dictionary » G » Genetic marker

Genetic marker


noun, plural: genetic markers

A gene or (a fragment of) DNA sequence having a known location on a chromosome, has an easily identifiable phenotype and whose inheritance pattern can be followed.


Genetic markers act as chromosomal landmarks. They are used to trace or identify specific region of a gene (especially one that is associated with an inherited disease) on a chromosome. They are also used to determine a linkage group or a recombination event.

Also called: marker, marker gene, DNA marker.
See also: genetic map.

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gene knockout mice

... so an inactivation of a gene only in striatal astrocytes with a pure genetic approach is not possible. You might combine genetics with viral infection. ... AAV containing the Cre under an astrocytic promoter and a fluorescent marker and inject stereotactically in the striatum. This will not be ...

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by animodel123
Wed Mar 18, 2015 6:46 am
Forum: Genetics
Topic: gene knockout mice
Replies: 1
Views: 218

Calculating genetic distance

... in the Columbia ecotype of Arabidopsis, pass1, was mapped relative to marker A. For homozygous F2 pass1 plants from a Columbia © x Landsberg (L) ... the results for marker A were 60 CC, 10 CL, and 4 LL. Calculate the genetic distance (cM) between marker A and pass1. I used the equation: Distance ...

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by SailorNorway
Sun Jun 30, 2013 11:36 am
Forum: Genetics
Topic: Calculating genetic distance
Replies: 0
Views: 984

Bio Research Paper Writing

... DDR serves as a front line of defense against the genetic changes associated with these viruses so viruses has evolved to evade ... also alter other aspects of the cell’s defense such as cell surface markers. CMV and adenoviruses decrease the expression of a cell’s MHC recognition ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
Forum: General Discussion
Topic: Bio Research Paper Writing
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cell specific markers

Do such genetic markers exist? Markers that are present in one population (at least to a certain percentage) but not in another? ...

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by MarkHolland
Sat Mar 30, 2013 3:16 pm
Forum: Cell Biology
Topic: cell specific markers
Replies: 3
Views: 8394

Re: Stomach bloating and weight gain

... this so I warn everyone to be careful if they try it. I read about the genetic marker of the MTHFR. Some websites report that 3 out of 5 people have it, some say 2 out of ...

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by CureIt
Wed Feb 29, 2012 12:30 pm
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
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