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A sudden change in a gene, such as a nucleotide shifting its position, is known as a:
ATranslation
BTranscription
CMutation
DTranslocation
Answer & Solution
Correct answer: C. Mutation
1. Genes are usually transmitted to the next generation unchanged.
2. Sometimes a sudden change occurs in a gene, for example a nucleotide changing its position.
3. Such a minor sudden change is called a mutation.
4. Translation and transcription are normal synthesis steps, so they are ruled out.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 1 "Heredity and Evolution", p.11_
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