MCQ
Mutation caused by a mutagen is
- ANatural
- BChemical
- CSpontaneous
- ✓Induced
✓
Answer
Correct option: D.
Induced
d
(d)1) Induced mutations are alterations in the gene after it has come in contact with mutagens and environmental causes. Mutagens can be chemical(nitrous acid), radiations(x-ray) etc.2) A mutation which occurs by itself without first being affected by a mutagen, for example during the process of DNA replication. 3) Mutation-induced by chemicals such as Nitrous acid is called chemical mutation. 4) Spontaneous mutations are the mutations that are a result of natural changes in DNA structure.
(d)1) Induced mutations are alterations in the gene after it has come in contact with mutagens and environmental causes. Mutagens can be chemical(nitrous acid), radiations(x-ray) etc.2) A mutation which occurs by itself without first being affected by a mutagen, for example during the process of DNA replication. 3) Mutation-induced by chemicals such as Nitrous acid is called chemical mutation. 4) Spontaneous mutations are the mutations that are a result of natural changes in DNA structure.
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