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遺 伝 子 浸 透 を 伴 う 場 合 ― 在 来 種 は 存 続 (Type 5<br />

hybridization)<br />

<br />

1902 <br />

Salvelinus leucomaenis<br />

<br />

1982 F 1 <br />

<br />

<br />

2002<br />

<br />

backcross<br />

F 2 <br />

hybrid breakdownSuzuki and Fukuda 1971<br />

<br />

<br />

2002<br />

F 2 <br />

<br />

<br />

<br />

遺 伝 子 浸 透 を 伴 う 場 合 ― 在 来 種 は 絶 滅 (Type 6<br />

hybridization)<br />

1940 <br />

Ctenopharyngodon idellus<br />

1955<br />

<br />

<br />

<br />

2003a<br />

<br />

1980<br />

<br />

<br />

Kawamura et al. 2001Type 6 <br />

hybrid<br />

swarmAllendorf and Luikart 2007<br />

Type 5 <br />

F 1 <br />

<br />

Allendorf et al. 2001Type 6<br />

Anas platyrhynchos<br />

Anas superciliosa<br />

Rhymer et al. 1994Oncorhynchus<br />

mykiss Oncorhynchus<br />

clarkiiAllendorf and Leary 1988<br />

<br />

<br />

Allendorf et al. 2001<br />

<br />

<br />

Allendorf et al.2001 3 <br />

Type 4 6 <br />

Type<br />

4 <br />

<br />

Type 6 <br />

<br />

Allendorf and Luikart 2007 Type 6 <br />

<br />

<br />

1<br />

2<br />

3<br />

3 <br />

<br />

野 外 個 体 群 の 遺 伝 的 特 徴<br />

mtDNA PCR-RFLP<br />

RAPD-PCR <br />

<br />

<br />

Kawamura<br />

et al. 2001<br />

<br />

20 <br />

Hardy-Weinberg<br />

equilibrium <br />

2007gametic linkage equilibriumAllendorf<br />

and Luikart 2007<br />

<br />

遺 伝 子 浸 透 と 配 偶 様 式<br />

<br />

<br />

134

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