Institution/s: Universidad de Valladolid, Universitatea de Vest din Timişoara
Project: Diccionario Terminológico de Genética (Eurogene)
Identification number: 151
Subdomains: Studies of chromatin, Studies of DNA, Studies of RNA, Techniques
Author/s: Cristina ADRADA RAFAEL, Lucia UDRESCU, Marta VALDENEBRO ARENAS
Creation / modification date: 01-03-2014
Term: polymorphism
Gramatical category: s
Definition: The occurrence in a population of two or more genetically determined forms in such frequencies that the rarest of them could not be maintained by mutation alone.
Context: A functional polymorphism in the promoter region of the serotonin transporter (5-HT T) gene was found to moderate the influence of stressful life events on depression.