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🔴(23対46本の染色体の中の)１本の染色体(X)の中に30億塩基がつらなっていて､一つの遺伝子として働いている塩基のつらなりは､数千~数万の塩基によって構成されており､約３万2000箇所ある｡
精子が23対の染色体の片方を選び､卵子が23対の染色体の片方を選ぶので、2の23乗通り×2の23乗通り=840万×840万=70兆ﾊﾟﾀｰﾝにもなる。
●さらに減数分裂の際などに､｢相同組換え｣という働きによって相同染色体同士で染色体の一部を交換することがあるため､これ以上の無限とも考えられる組み合わせが出来る。
◻️この中から自閉症に関連した遺伝子型を見つけ､ﾊﾟﾀｰﾝを見い出さなければならない‼️
｛さらに言えば、昨今科学界で話題のエピジェネティクス<人間と環境との関わりによって遺伝子のｽｲｯﾁ(読取り易さ)がON,OFFになるという現象>，と"自閉的発達"との関係も調べられなければならない。｝((つまり環境要因も排除されない))
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