Biology
Grade-8
Easy
Question
A change in a gene or chromosome is called _______________.
- Variation
- Mutation
- Evolution
- Adaptation
Hint:
UV radiations, viruses, chemicals are few factors that cause changes in the gene sequence.
The correct answer is: Mutation
- Mutation causes change in genes or chromosomes.
- Mutation is caused by factors called as mutagens.
- Mutagens can be classified into physical, chemical and biological.
- Not all mutations are harmful.
- Mutations can introduce variations in population.
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