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 ?
But adding a fifth base to the DNA of bacteria with a genetic mutation rate 10,000 times that of normal bacteria seems unnecessarily dangerous.
The ability of the HIV virus to establish resistance to therapeutic drugs through genetic mutation is a major concern in the treatment of HIV/AIDS.
A genetic mutation has been identified that increases a person's susceptibility to West Nile virus, a new study indicates.
Scientists have proposed that anything from bacteria to the cessation of growth to genetic mutation causes the deterioration of the body.
Men with the genetic mutation had, on average, 35 percent less of the specialized protein than men without the mutation, the researchers found.
But an analysis of Grinkov's blood has found that he carried a genetic mutation associated with an increased risk of heart attack at an early age, according to researchers from Johns Hopkins University in Baltimore.
Our automated system can be an effective tool for plant researchers to screen complicated plant genetic mutation.
Having a genetic mutation for which there is no treatment or cure and having (and having had) friends with MS, I am very concerned that some entity would withhold a beneficial treatment because of an identified risk.
This genetic mutation results in a defective protein, Bcr-Abl, that causes runaway proliferation of white blood cells.
sapiens experienced a slight boost in the amount of information that they could hold in mind at any one time, probably because of a genetic mutation that triggered a modest brain reorganization, Wynn and Coolidge propose.
This genetic mutation explains much about why "we're the odd men out among primates regarding head shape," Stedman says.