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Genes Affecting Courtship Song and Mating Preference in Drosophila melanogaster, Drosophila simulans and Their Hybrids

Masaoki Kawanishi and Takao K. Watanabe
Evolution
Vol. 35, No. 6 (Nov., 1981), pp. 1128-1133
DOI: 10.2307/2408126
Stable URL: http://www.jstor.org/stable/2408126
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Genes Affecting Courtship Song and Mating Preference in Drosophila melanogaster, Drosophila simulans and Their Hybrids
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Abstract

Courtship song (ipi) and mating preference of hybrids between Drosophila melanogaster and D. simulans were investigated. The ipi of hybrid males carrying the X chromosome either of D. simulans or of D. melanogaster is intermediate between that of the two parents, suggesting autosomal determination with no dominance. On the other hand, the mating affinities of hybrid males measured by the number of mated pairs within 30 min was influenced by the X chromosomes carried by the males; the hybrid males carrying the X chromosome of D. simulans copulated with D. simulans females exclusively while the hybrid males carrying the X chromosome of D. melanogaster copulated more frequently with D. melanogaster than with D. simulans. These mating successes were primarily due to male mate selection, since the hybrid males with the D simulans X chromosome did not court D. melanogaster females while the hybrid males with the D. melanogaster X chromosome courted D. melanogaster females somewhat more than D. simulans females.

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