Which of the following statements is correct?

Correct option is C

Variation in a Population:
· Genetic variation exists within a population due to differences in DNA among individuals.
· Variations can arise due to mutations, gene flow, and sexual reproduction.
Heritability of Variations:
· Not all variations are heritable.
· Variations due to environmental factors (e.g., nutrition, climate) are not passed to offspring, whereas genetic variations are heritable.
Information Booster: 1. Types of Variation:
· Genetic variation: Passed on to offspring, responsible for evolution.
· Environmental variation: Not heritable but influences survival and reproduction.
2. Natural Selection and Heritability:
· Heritable traits that provide a survival advantage become more common over generations due to natural selection.
3. Importance of Variation in Evolution:
· Variation is essential for adaptability and evolution of populations.
4. Examples:
· Color variations in peppered moths (genetic).
· Height variations due to nutrition (environmental).