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1. pertaining to reproduction or to birth or origin.
2. inherited.
genetic code the arrangement of nucleotides in the polynucleotide chain of a chromosome; it governs the transmission of genetic information to proteins, i.e., determines the sequence of amino acids in the polypeptide chain making up each protein synthesized by the cell. Genetic information is coded in DNA by means of four bases: two purines (adenine and guanine) and two pyrimidines (thymine and cystosine). Each adjacent sequence of three bases (a codon) determines the insertion of a specific amino acid. In RNA, uracil replaces thymine.
genetic map
1. the location of mutations along the length of a chromosome, as determined by recombination experiments. The unit of length is the centimorgan (cM), one crossover per meiosis.
2. the sequence of base pairs along the DNA of a chromosome, a technique being applied to humans.
A gene map of Chromosome 18. From Copstead, 1996.
genetic marker a gene having alleles that are all expressed in the phenotype, that is, they are codominant, and which can be used to study inheritance. The various blood group systems and serum or red blood cell proteins easily detected by electrophoresis or immunodiffusion are commonly used markers.


Pertaining to genetics; genetical.


(jə-nĕt′ĭk) also


a. Of or relating to genetics or genes.
b. Affecting or determined by genes: genetic diseases.

ge·net′i·cal·ly adv.


adjective Referring to genes; inherited.


Pertaining to genetics; genetical.


of or relating to genes.


The term refers to genes, the basic units of biological heredity, which are contained on the chromosomes, and contain chemical instructions which direct the development and functioning of an individual.

Patient discussion about genetic

Q. Are there genetic factors involving allergies? My entire family suffers from different allergies. It is clear that there is a connection, is that true?

A. The risk of allergic sensitization and the development of allergies varies with age, with young children most at risk. It is known that there is a strong genetic relation and allergies are usually common among family members. Ethnicity may play a role in some allergies, however racial factors have been difficult to separate from environmental influences and changes due to migration.

Q. Is celiac genetic? I have one son with celiac disease from my first marriage and me second wife is now pregnant,I was wondering what are the chances for this soon to be born daughter of mine to have celiac as well- if I maybe carry the genetic flaw and is there a way to find out?

A. Celiac disease is a very common illness (about 1 in a 100 people suffer from it in different levels), and it is known to have a strong genetic connection. However, there is not one specific mutation that you can get genetic testing to see if you are carrying it. Your soon to be born daughter will have a higher chance than the regular population to suffer from the disease, but it does not necessarily mean she will.

Q. is Bipolar genetic?

A. Bipolar disorder has a very strong genetic background: The approximate lifetime risk of this disease in relatives of a bipolar patient is 40 to 70 percent for a monozygotic (identical) twin and 5 to 10 percent for a first degree relative, compared with 0.5 to 1.5 percent for an unrelated person.

More discussions about genetic
References in periodicals archive ?
Table (2) Markers/QTLs identified for genetic resistance of chickpea against Ascochyta blight.
The first experiment was aimed at determining whether the populations had the ability to parasitize sunflower genotypes with no genetic resistance to weedy O.
"Better understanding of the disease will be built through research and surveys, which will look not only for diseased trees but for those that show signs of genetic resistance to Chalara, to help identify genetic strains resistant to the disease.
"If we can find those trees with genetic resistance to the disease and restructure our woodlands to make them more resilient."
And dieback attacks all ash species of all ages, though some may have a genetic resistance. The Forestry Commission is busy attempting to establish the extent to which the organism is present, while responding as quickly as possible to findings.
"We envision this as a potential functional cure for patients infected with HIV, giving them the ability to maintain a normal immune system through genetic resistance," said lead author Joseph Anderson, an assistant adjunct professor of internal medicine and a stem cell researcher at the UC Davis Institute for Regenerative Cures.
The tomcod living in the Hudson River have undergone a rapid evolutionary change in developing genetic resistance to PCBs, reported researchers from Woods Hole Oceanographic Institution (WHOI), New York University (NYU), and the National Oceanic and Atmospheric Administration.
Coverage includes natural models of production, plant susceptibility, genetic resistance, crop cultural practices, rescue treatments, protection from birds and mammals, designing the farm to reduce pests, diversity, crop rotation, identifying pests, and crop-by-crop pests and practices.
Whatever the specific problems, your hybrid tomatoes probably grow well because they provide genetic resistance, whereas most heirloom varieties are susceptible.
He particularly looks at the reappearance of the category of race in scientific analysis, its cultural implications, and its conversion into ethnicity, and specific topics like recent claims that Jews have a genetic resistance to alcoholism; sexually transmitted diseases, race, and sex; Jewish identity and sickness in the nineteenth century; aesthetic surgery and beauty in China; ethnicity and bilingualism; and Freud, Jewishness, and psychoanalysis.
Outside advisers to FDA voted 7-1 last week that the agency should require a uniform test to ensure the Australian drugmaker's Omapro is only used for patients with a genetic resistance to Novartis AG's Gleevec.

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