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In biology, and especially in genetics, a mutant is an organism or a new genetic character arising or resulting from an instance of mutation, which is generally an alteration of the DNA sequence of the genome or chromosome of an organism. It is a characteristic that would not be observed naturally in a specimen.
While genetic mutations occur naturally in the wild, some breeders have come under fire for purposely creating “mutant” animals. In 2015, some South African breeders and ranchers made ...
Conditional mutation is a mutation that has wild-type (or less severe) phenotype under certain "permissive" environmental conditions and a mutant phenotype under certain "restrictive" conditions. For example, a temperature-sensitive mutation can cause cell death at high temperature (restrictive condition), but might have no deleterious ...
Types of mutations that can be introduced by random, site-directed, combinatorial, or insertional mutagenesis. In molecular biology, mutagenesis is an important laboratory technique whereby DNA mutations are deliberately engineered to produce libraries of mutant genes, proteins, strains of bacteria, or other genetically modified organisms.
Mutations are permanent, transmissible changes to the genetic material (usually DNA or RNA) of a cell ... Mutant; Mutant protein; Template:Mutation; Mutation bias;
The concept of a mutant is a common trope in comic books and science fiction.The new phenotypes that appear in fictional mutations generally go far beyond what is typically seen in biological mutants and often result in the mutated life form exhibiting superhuman abilities or qualities.
To protect the animal’s welfare it is illegal in several countries or states to breed with parent cats that bear certain of these hypertype mutations. This article gives a selection of cat body type mutant alleles and the associated mutations with a brief description.
Cases of mutation bias are cited by mutationism advocates of the extended evolutionary synthesis who have argued that mutation bias is an entirely novel evolutionary principle. This viewpoint has been criticized by Erik Svensson. [ 74 ]