Species tend to colonize new territories by dispersal of their individuals. Regardless of the way of dispersal, quite often colonization involves the establishment of a few founder individuals in new territories. The genetic constitution of one such finite founder population may not represent that of the original population, displacing the population to an unstable state in which drift plays an important role (bottleneck effect).
CITATION STYLE
Fontdevila, A. (1991). Colonizing Species of Drosophila. In Molecular Techniques in Taxonomy (pp. 249–269). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-83962-7_16
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