Biology
Grade-8
Easy
Question
Random mutation occurs due to
- Radiation
- Chemicals
- External factors
- All the above
Hint:
Mutations can result from errors in DNA replication during cell division, exposure to mutagens, or a viral infection.
The correct answer is: All the above
- Mutations can result from errors during DNA replication or induced by exposure to mutagens (like chemicals and radiation).
- Spontaneous mutations occur at a rate of 1 in 10^5 to 10^8 and contribute to random population variation.
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