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Read Mutation by Scale and Effect
Mutation is a sudden heritable change in genetic material and a source of new variation.
NSEJS · Principles of Inheritance and Variation · 2 linked questions · 100% coverage
Know this first
Mutation is the central idea in this question pattern. Identify the condition in the stem before applying the method below.
Study deeper: NCERT Science · Principles of Inheritance and Variation
Distinguish variation patterns
Mutations can alter genes or chromosomes and often produce discontinuous variants. Continuous variation more commonly reflects polygenic effects and environment.
OlympIQ exam lens
- ✓Mutation changes genetic material.
- ✓Mutation commonly produces discontinuous variation.
OlympIQ trap
A mutation is not the same as the continuous distribution of a polygenic trait.
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