Question

what are mutagens and there types​

Answer 1

Answer:

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what are mutagens and there types_??

$\huge{{\mid{\fbox{\tt{ANSWER}}\mid}}}$

Mutations can be artificially produced by certain agents called mutagens or mutagenic agents. Following are two major types of mutagens:

(1) Physical mutagens:

Radiations are the most important physical mutagens. H.J. Muller who used X-rays, for the first time, to increase the rate of mutation in Drosophila, opened an entirely new field in Inducing mutations. So Muller is considered as father of Actinobiology,

(2) Chemical mutagens:

Large number of chemical mutagens are now known. These are more injurious than radiations. The first chemical mutagen used was mustard gas by C. Auerbach et. al. during world war 1 Chemical mutagens are placed into two groups:

(a) Those which are mutagenic to both replicating and non-replicating DNA such as nitrous acid,

(b) Those which are mutagenic only to replicating DNA, such as acridine dyes and base analogues

Answer 2

Answer:

Three different types of common mutagens are observed in nature- physical and chemical mutagens agents and biological agents. Physical Agents: Heat and radiation. Chemical Agents: Base analogs. Biological Agents: Viruses, Bacteria, Transposons.

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