http://www.cnrs.fr/cw/dossiers/dosevol/decouv/articles/chap7/lecointre3.html Les premières comparaisons de séquences d'acide aminés conduisirent à la constatation que les mesures de la divergence des séquences étaient corrélées au temps (dont les repères...
Lire la suitehttp://www.echinologia.com/articles/systematique/systematique.htm L'espèce biologique : même patrimoine génétique, interfécondité L'espèce typologique : morphologiques L'espèce paléontologique : typologique + biologique systématique = nomenclature + taxinomie...
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Summary Table of the Stages of Brain Development Developmental Stage Main Feature of Developmental Stage Induction Production of cells that will become nervous tissue Proliferation Cell reproduction (mitosis) Migration Location of cells in appropriate...
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By the sixth month of pregnancy the foetus will have reached a length of about 255 millimetres (10 inches). Sebaceous glands are evident and lymph glands which will help to protect the foetus from noxious substances from this moment to the end of its...
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