Biology for IGCSE & O level - Variation And Selection (Section 3 - No. 48)

What is a key difference between continuous and discontinuous variation?
Continuous variation is caused by genes, discontinuous variation by the environment.
Continuous variation is a result of mutations, discontinuous variation is not.
Continuous variation shows a range of values, discontinuous variation has distinct categories.
Continuous variation can be inherited, discontinuous variation cannot.

Explanation

Discontinuous variation falls into clear categories.

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