4: Herramientas Genéticas
- Page ID
- 52882
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- Una vía de señalización permite a las células comunicarse con su entorno externo. En Biología del Desarrollo, esto suele ser interacciones célula-célula. Este tipo de interacciones son increíblemente importantes porque cada célula necesita seguir su propia trayectoria de desarrollo en coordinación con todas las células que la rodean. Por ejemplo, imagina un brote de miembro de mamífero en crecimiento. Cada célula en la yema de la extremidad necesita saber si está en el pulgar o en el lado meñique de la extremidad y qué tan cerca del cuerpo está.