genetic mutation


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Noun1.genetic mutation - (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
alteration, change, modification - an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago"
deletion - (genetics) the loss or absence of one or more nucleotides from a chromosome
inversion - (genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed
transposition - (genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome
mutagenesis - an event capable of causing a mutation
gene mutation, point mutation - (genetics) a mutation due to an intramolecular reorganization of a gene
reversion - (genetics) a return to a normal phenotype (usually resulting from a second mutation)
saltation - (genetics) a mutation that drastically changes the phenotype of an organism or species
References in periodicals archive ?
The idea behind the centre is knowing whether you're carrying a specific genetic mutation of a specific genetic disease you're not aware of.
Musallam bin Said Al Araimi, Head, Genetic Counselling and Education Services, National Genetic Centre has identified a rare genetic mutation for Marfan Syndrome.
Kauff, MD, "Our study presents the strongest evidence to date that women with this genetic mutation should at least discuss with their doctors the option of having a hysterectomy along with removal of their ovaries and fallopian tubes.
Cancer genetics researchers at Otago University said that the key genetic mutation underlying familial stomach and lobular breast cancers also opened them to attack through drug therapies targeting cellular mechanisms, Xinhua news agency reported.
According to the study, a genetic mutation related to Lynch syndrome has been shown to increase the risk of these types of cancers.
Washington, July 19 ( ANI ): Mice gain weight even when fed normal amounts of food, a discovery that suggests the genetic mutation linked to obesity may govern how the body uses energy.
The test found at least one genetic mutation in all 24 samples taken from uterine cancer patients and in nine of 22 samples from ovarian cancer patients.
Prof Maher said: "From our perspective it was hugely important to find a genetic mutation that will allow better identification of IPD.
It's a very good example of genetic and cultural co-evolution because we have the development of a cultural innovation--the domestication of cattle--and the rise of a genetic mutation that played a role in the cultural development.
Researchers found one in 500 Caucasian babies are affected by a particular genetic mutation which renders them vulnerable to the drugs.
Kretchmer's genetic mutation -- the BRCA gene -- increases the chances of breast and ovarian cancer, the latter which killed her maternal grandmother.
Women who carry a genetic mutation may need a baseline MRI to screen them for occult or early cancer prior to becoming pregnant, along with very close follow-up," Dr.