Biology for IGCSE & O level - Variation And Selection (Section 5 - No. 14)
Which of the following is true regarding the relationship between genes and the environment regarding variation?
Genes always determine traits, regardless of the environment.
The environment does not affect the expression of genes.
The environment can influence how genes are expressed, leading to different phenotypes.
Genes and the environment are completely unrelated.
Explanation
The environment can modify the expression of genes, leading to different traits.
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