| Budget Amount *help |
¥15,860,000 (Direct Cost: ¥12,200,000、Indirect Cost: ¥3,660,000)
Fiscal Year 2016: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2015: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2014: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
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| Outline of Final Research Achievements |
The relationship between mtDNA and ncDNA diversity was analyzed in order to test a theoretical prediction that mtDNA diversity should be much lower than ncDNA diversity. In contrast to this prediction, mtDNA diversity was higher than ncDNA diversity in many mammalian and avian populations. This was attributed to higher mutation rate in mtDNA, while high variation of the diversities was interpreted as a result of population fluctuation. The relationship between mtDNA and ncDNA diversity differed between mammalian and avian populations: mtDNA diversity was higher in mammals than in birds. This difference could be explained by different dispersal tendency. Male-biased dispersal prevails in mammals, where female-biased dispersal is common in birds. These results supported my hypothesis that sub-population structure plays an important role in maintaining genetic diversity.
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