Question

Mutation is a phenomenon of
1. Alteration of genes
2. Variation in DNA
3. Heritable change in genotype and phenotype of an organism

• A. I only
• B. II only
• C. I, II
• D. I, II, III

Hint:

Remember that mutations affect DNA and genes, and can be inherited if they occur in germ cells, affecting the genotype and potentially the phenotype.

Answer 1

The Correct Option is D

Step 1: Understand the concept of mutation
Mutation refers to any change in the DNA sequence. These changes can alter genes, cause variations in DNA, and can be inherited if they occur in germ cells. Step 2: Analyze each statement
- I. Alteration of genes — This is a direct result of mutation.
- II. Variation in DNA — Mutations cause DNA sequence variation.
- III. Heritable change in genotype and phenotype — Mutations can be passed on and may alter phenotype. Step 3: Conclusion
All three statements describe aspects of mutation correctly.