He proposed that the embryonic development of an individual organism (its ontogeny) followed the same path as the evolutionary history of its species (its phylogeny).

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#Id: 116

#Unit 5. Developmental Biology

Inducer 

the tissue that produces a signal (or signals) that changes the cellular behavior of the other tissue.

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#Id: 8051

#Unit 1. Molecules and their Interaction Relevant to Biology

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#Id: 7313

#Unit 12. Applied Biology

In the absence of Hg2+, MerR functions as a repressor and binds to the operator region of the mer operon, thus preventing transcription of the structural genes.

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#Id: 9500

#Unit 6. System Physiology – Plant

Maize genotypes that carry the Hm1 gene, which encodes an enzyme that can metabolize and thereby detoxify HC toxin are resistant to C. carbonum.

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#Id: 7235

#Unit 5. Developmental Biology

T Helper Subset Differentiation