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理科 中学生

(2)(3) (4) の解説お願いします🙇‍♀️ 大至急お願いします🙇‍♀️🙇‍♀️🙇‍♀️

黄→A→a 2 エンドウの子葉の色の遺伝について調べるために、 次の実験を行った。 あとの問いに答えなさい。 [実験 1] 黄色の子葉をつくるエンドウの純系と、緑色の子葉をつくるエンドウの純系をかけ合わせたとこ ろ,できた種子 (子の種子) から育った子葉は,すべて黄色であった。 さらに,子の種子から育った エンドウどうしをかけ合わせ、できた種子(孫の種子)を育てたところ, 黄色の子葉と緑色の子葉を つくるエンドウがそれぞれできた。 [実験 2] 実験1でできた孫の種子を育ててできた緑色の子葉をつくるエンドウと, 別のエンドウをかけ合わ せたところ、できた種子から育ったエンドウの子葉は,黄色と緑色の数がほぼ同じであった。 [実験 3] 実験1でできた孫の種子を育ててできた黄色の子葉をつくるエンドウをすべて自家受粉させ、でき た種子を育てたところ, 黄色の子葉と緑色の子葉をつくるエンドウがそれぞれできた。 (1) 実験1で,子の種子から育ったエンドウの子葉に現れた形質は何とよばれるか。 その名称を書きなさい。 (2)次の文章は, 実験1において, 孫の種子で現れた緑色の子葉の割合を、 遺伝の法則に基づいて説明したもの である。 ① ③にあてはまる数を,下のア~カから1つ選び、記号で答えなさい。ただし, 同じ記号

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英語 中学生

1.(1)②、(2)②、(3)①、(4)③④⑧⑩、(5)③④⑤、(6)③④、(7)①④⑥、(8)①②③⑥、(9)の解説をして欲しいです。3枚目が答えです

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