IT would be no exaggeration to say that holes could be picked in any theory of heredity as yet put forward. The problem is one of great difficulty and complexity, and when we think of the enormous ...

The term phenotype is used to call the complete sets of behaviors and traits, which can be observed by an organism. The interaction between the environment and genotype will lead into the developments ...

THE recent co-ordination of experimental breeding and chromosome study has led to a complete reconstruction of our knowledge of heredity and variation. This in turn has given us the means of ...

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