Biology for IGCSE & O level - Variation And Selection (Section 2 - No. 5)
What is the main difference between genetic and phenotypic variation?
Genetic variation is the expression of genes, while phenotypic variation is a result of the environment.
Genetic variation refers to the differences in genes, while phenotypic variation refers to the physical or observable traits.
Phenotypic variation is more important for survival.
Genetic variation only occurs by mutation.
Explanation
Genetic variation is the differences in the genetic makeup, and phenotypic variation is the observable differences.
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