Biology
Grade-9
Easy
Question
A change in a gene or chromosome is called ________.
- Variation
- Mutation
- Evolution
- Adaptation
Hint:
The change in gene sequence due to inborne error or due to external factors.
The correct answer is: Mutation
- Mutation is the change in gene or chromosome
- Not all mutations are harmful
- Some mutation can be harmful and some may be beneficial
- Some mutation does not effect the individual in any way and are called silent mutations
- Mutation is caused due to agents called as mutagens
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