| Budget Amount *help |
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2021: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2020: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2019: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2018: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
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| Outline of Final Research Achievements |
Female mating receptivity plays an important role in driving sexual selection together with the mechanisms producing variation in male traits. However, little is know for the former in contrast to the latter. In this study, taking the advantage of Drosophila prolongata as an excellent system to study mating systems, the mechanisms regulating female receptivity were explored. As a result, the acquisition of a new courtship behavior was shown to be the key evolutionary event that shifted the mating system from monandry to polyandry.
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