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प्रश्न
Which of the following is caused by intrinsic replication errors and tautomeric shifts?
पर्याय
Physical mutagen-induced mutations
Spontaneous mutations
Chemical mutagen-induced mutations
Induced mutations
MCQ
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उत्तर
Spontaneous mutations occur naturally without external influence and are caused by intrinsic replication errors, tautomeric shifts in nitrogenous bases, and spontaneous chemical changes in DNA. These mutations arise from internal cellular processes rather than exposure to external mutagens.
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