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DNA may be modified, either naturally or artificially, by a number of physical, chemical and biological agents, resulting in mutations. Hermann Muller found that "high temperatures" have the ability to mutate genes in the early 1920s, [2] and in 1927, demonstrated a causal link to mutation upon experimenting with an x-ray machine, noting phylogenetic changes when irradiating fruit flies with ...
The term is roughly synonymous with the terms mutant, inhuman and mutate in the Marvel Universe and posthuman in the Wildstorm and Ultimate Marvel Universes. In DC Comics, the term is used loosely in most instances to refer to any human or human-like being with extraordinary, often paranormal abilities or other attributes, wether they cosmic ...
These agents can mutate both replicating and non-replicating DNA. In contrast, a base analogue can mutate the DNA only when the analogue is incorporated in replicating the DNA. Each of these classes of chemical mutagens has certain effects that then lead to transitions, transversions, or deletions. Agents that form DNA adducts (e.g., ochratoxin ...
Mutation, mutations, or mutate may also refer to: Film, television, and literature. Mutation, a 1990 medical thriller by Robin Cook; Savage ...
The international pictogram for chemicals that are sensitising, mutagenic, carcinogenic or toxic to reproduction. In genetics, a mutagen is a physical or chemical agent that permanently changes genetic material, usually DNA, in an organism and thus increases the frequency of mutations above the natural background level.
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.
A World Economic Forum report says business leaders believe a catastrophic, COVID-like cyber event is coming in 2 years.
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