Mating Preference and the Direction of Evolution in Drosophila

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Science  31 Aug 1979:
Vol. 205, Issue 4409, pp. 906-907
DOI: 10.1126/science.205.4409.906


Differences in the degree of successful matings between pairs of reciprocal hybrid matings indicate the direction of evolution among related species of Drosophila. Females of a derived species do not mate with males of the ancestral species, whereas females of the ancestral species readily mate with males of the derived species.