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<title>livedoor ナレッジ - dna</title>
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<pubDate>Fri, 11 Dec 2009 18:11:28 +0900</pubDate>
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    <title>染色体＝DNAなんでしょうか？</title>
    <link>http://knowledge.livedoor.com/31374</link>
    <description>染色体＝DNAなんでしょうか？
染色体＝DNAなんでしょうか？染色体はすべてDNAでできているという理解で間違っていませんか？遺伝子はその染色体の一部に入っている、というのは理解できているのですが...（間違ってたらご指摘ねがいます！）</description>
    <pubDate>Sun, 06 Jan 2008 20:50:24 +0900</pubDate>
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    <author>bozzetto</author>
    <category domain="http://knowledge.livedoor.com/category/111004005">生物学</category>
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        <knowledge:closed label="お蔵入り">Wed, 06 Feb 2008 06:10:08 +0900</knowledge:closed>
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    <title>姪と私が共通の遺伝子を持つ確率は２５％？</title>
    <link>http://knowledge.livedoor.com/31352</link>
    <description>姪と私が共通の遺伝子を持つ確率は２５％？
生物学は高校で習った以上の知識はありませんが、正月に姪が来て姉との顔つきの比較で興味を持ちました。果たして私(男性)と姪は共通の遺伝子があるのでしょうか？

私の父の遺伝子 X1Y1
私の母の遺伝子　X2X3
私の遺伝子は　X2Y1 (50%) または X3Y1 (50%)
私の姉の遺伝子は　X1X2 (50%) または X1X3 (50%)
私の義兄の遺伝子は X4Y2
ゆえに　私の姪の遺伝子は X1X4 (50%) または X2X4 (25%) または X3X4 (25%)

以上の私の理解はこれであっていますか？ また、私と私の姪が共通の遺伝子を持つ確率は　0.25*0.5 + 0.25*0.5=0.25 つまり 25%　なのでしょうか？</description>
    <pubDate>Sat, 05 Jan 2008 20:12:59 +0900</pubDate>
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    <author>bozzetto</author>
    <category domain="http://knowledge.livedoor.com/category/111004005">生物学</category>
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        <knowledge:answers>3</knowledge:answers>
        <knowledge:closed label="解決済">Sun, 06 Jan 2008 20:48:32 +0900</knowledge:closed>
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    <title>RNA　のほうが DNA より早く誕生したって本当ですか？</title>
    <link>http://knowledge.livedoor.com/31168</link>
    <description>RNA　のほうが DNA より早く誕生したって本当ですか？
RNA　のほうが DNA より早く誕生したって本当ですか？</description>
    <pubDate>Wed, 26 Dec 2007 18:33:37 +0900</pubDate>
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    <author>bozzetto</author>
    <category domain="http://knowledge.livedoor.com/category/111004005">生物学</category>
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        <knowledge:answers>3</knowledge:answers>
        <knowledge:closed label="解決済">Sat, 05 Jan 2008 17:08:43 +0900</knowledge:closed>
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    <title>ウラシル（U)がシトシン（C)と構造上よく似ているのはなぜ？</title>
    <link>http://knowledge.livedoor.com/31166</link>
    <description>ウラシル（U)がシトシン（C)と構造上よく似ているのはなぜ？
ウラシルはシトシンと構造上よくにているといいます。なぜなのでしょうか？（RNA)</description>
    <pubDate>Wed, 26 Dec 2007 17:42:23 +0900</pubDate>
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    <author>bozzetto</author>
    <category domain="http://knowledge.livedoor.com/category/111004005">生物学</category>
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        <knowledge:answers>0</knowledge:answers>
        <knowledge:closed label="お蔵入り">Sat, 26 Jan 2008 06:10:14 +0900</knowledge:closed>
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    <title>ＤＮＡの「螺旋」が、「3本」ある「新人類」が、いる、って、ほんとうですか？</title>
    <link>http://knowledge.livedoor.com/16513</link>
    <description>ＤＮＡの「螺旋」が、「3本」ある「新人類」が、いる、って、ほんとうですか？
</description>
    <pubDate>Wed, 15 Nov 2006 15:03:33 +0900</pubDate>
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    <author></author>
    <category domain="http://knowledge.livedoor.com/category/107005011">精神・神経科</category>
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        <knowledge:answers>2</knowledge:answers>
        <knowledge:closed label="お蔵入り">Sat, 16 Dec 2006 06:10:21 +0900</knowledge:closed>
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    <title>荒川静香選手の衣装でドキッとした人</title>
    <link>http://knowledge.livedoor.com/2022</link>
    <description>荒川静香選手の衣装でドキッとした人
わかっててもドキッとした人
本能ですか？
ＤＮＡに書いてあるのでしょうか・・・</description>
    <pubDate>Sun, 05 Mar 2006 22:12:53 +0900</pubDate>
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    <author>ナレッジ戦隊募集フレパまでBy_hunakidayo</author>
    <category domain="http://knowledge.livedoor.com/category/116002">雑談</category>
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        <knowledge:answers>5</knowledge:answers>
        <knowledge:closed label="解決済">Wed, 08 Mar 2006 13:44:02 +0900</knowledge:closed>
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