Search Results for: mutation
Missense mutation
What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More
Nonsense mutation
A nonsense mutation is the type of point mutation that renders the translation process useless by coding for a stop/nonsense... Read More
Silent mutation
A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More
Frameshift mutation
Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... Read More
Chromosomal mutation
Every living thing is made up of DNA. Our DNA is what makes us unique and different in the world. Our DNA is made up of... Read More
Lethal mutation
Lethal Mutation Definition Genetic mutations come from changes in the DNA structure or sequencing in an organism. Often... Read More
Neutral mutation
Neutral Mutation Definition What is a neutral mutation? Neutral mutations are the alterations in the DNA that are... Read More
Hypermorphic mutation
Definition noun (genetics) A type of mutation wherein the change in gene leads to an increase in normal (wild-type) gene... Read More
Point mutation
Definition noun, plural: point mutations (genetics) A small-scale mutation characterized by a change of only one nucleotide... Read More
Amorphic mutation
Definition noun (genetics) A type of mutation wherein the change in gene leads to the loss of the normal (wild-type) gene... Read More
Substitution mutation
Definition noun, plural: substitution mutations (genetics) A small-scale mutation characterized by a substitution of one or... Read More
Hypomorphic mutation
Definition noun (genetics) A type of mutation wherein the change in gene leads to the partial loss of the normal... Read More
Chromosome Mutations
Reviewed by: Mary Anne Clark, Ph.D.By nature, the genetic information from both parents is expected to be seen... Read More
Small-scale mutation
Definition noun, plural: small-scale mutations (genetics) A type of mutation characterized by a change of one or few... Read More
Neomorphic mutation
Definition noun (genetics) A type of mutation wherein the change in gene leads to an atypically new function of the... Read More
Antimorphic mutation
Definition noun (genetics) A type of mutation wherein the change in gene alters the activity of the gene such that it... Read More
Large-scale mutation
Definition noun, plural: large-scale mutations (genetics) A type of mutation several nucleotides of a gene within a large... Read More
Genetic Mutations
Reviewed by: Mary Anne Clark, Ph.D.Genetic Mutations Genetic mutations are inherited variations in an... Read More
Deletion mutation
Definition noun, plural: deletion mutations (genetics) A type of mutation wherein one or few nucleotide base pairs are... Read More
Natural mutation
natural mutation --> spontaneous mutation A mutation which occurs by itself without first being affected by a mutagen,... Read More
Forward mutation
Forward mutation Any mutation which renders a formerly functional gene nonfunctional. Compare: back... Read More
Duplication mutation
Definition noun A type of mutation in which a portion of a genetic material or a chromosome is duplicated or replicated,... Read More
Transversion
Definition noun, plural: transversions (genetics) A small-scale mutation characterized by the replacement of a purine by... Read More
Transition mutation
transition mutation A point mutation involving substitution of one base-pair for another, i.e., replacement of one purine... Read More
Unstable mutation
unstable mutation (Science: molecular biology) A mutation that has a high likelihood of reverting to its original... Read More
Conditional mutation
Conditional mutation (Science: molecular biology) a mutation that is only expressed under certain environmental conditions... Read More
FAAH-OUT mutation for a life of no pain – No FAAH, no pain
A Scottish woman claims that she has not experienced pain over some supposedly painful conditions, like a severe joint... Read More
Down promoter mutation
Down promoter mutation (Science: molecular biology) a mutation (a change in base pair sequence) in a promoter region, this... Read More
Up mutation
up mutation (Science: molecular biology) refers to any mutation in the promoter region of a gene which can trigger... Read More
Spontaneous Mutation
A 'naturally' occurring mutation in the absence of a mutagen that would otherwise be a known factor for inducing a... Read More
Transition
Definition noun, plural: transitions (genetics) A small-scale mutation characterized by the replacement of a purine by... Read More
Pleiotropy
Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More
Insertion (genetics)
In genetics, insertion refers to the type of mutation characterized by the insertion of one or few nucleotide base pairs to... Read More
Induced Mutation
A mutation that is deliberately introduced via... Read More
Genetic variability
Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More
Polymorphism
Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More