Human Growth and Development / Unit 2 HGD 0171 short lesson, about 20 seconds
Genotype–Environment Interaction
Captions available
The idea
A genotype–environment interaction occurs when a gene's effect depends on the environment, so the same genotype leads to different outcomes in different settings.
In practice
The PKU genotype harming development only on a diet high in phenylalanine.
Where people slip
It is not the same as gene–environment correlation, where genes help select environments; here the environment changes what a gene does.
Your place on the trail
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Builds on
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