« allopatric speciation »

Monday, October 31st, 2011 | Author:

“Allopatric speciation” occurs when a biological species divides in two distinct populations, due either to the emergence of a natural boundary (river, mountain) or to migration in opposite directions. Over hundreds of generations, the genotypes of both populations evolve on their own until, finally, they become two separate species. For some species of fruit-flies, this […]