Biology for IGCSE & O level - Variation And Selection (Section 4 - No. 49)
What is the relationship between genes, environment and an organism's traits?
Genes always determine all traits.
The environment always determines all traits.
Traits are always a result of both genes and the environment.
Genes and the environment never interact with each other.
Explanation
Most traits are determined by an interaction between genes and the environment.
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