The tendency for development to be genetically restricted to a few pathways which can only be deflected by an intense environmental push is a description of

Question

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Canalization describes the phenomenon where development is guided by genetic pathways that are resistant to environmental influence, and can only be altered by extreme environmental circumstances. This means that development follows a set trajectory that is pre-programmed by genetic factors, making it difficult for the environment alone to change the outcome.

The Tendency for Development to Be Genetically Restricted to a Few