2022英语周报高二课标合刊第11期答案

第一节短文改错Im glad to know you were learning Chineseanguage and culture. In your last e-mail you said youwanted to know anything about my family spirits.Well, there are many good qualities that have Abeenpassed from generation to generation in my family. Mparents lay emphasis on the importance of honestbravery, perseverance and diligence and they have setgood example for me. My family spirits have anunbelievable profound influence on me. I'm friendly toablyothers but always ready to help others. I always cheerandup and never stop chase my goal even though I meetacross difficultiesithOwing to those good qualities, I have made tgreat progress in my study.

分,母万1)X正常翅和小翅在子代雌雄个体中的性状分离比不同,说明Aa基因位于X染色体上(2)0 boXY、 boXYbXA: bXa: bY=l: 1:2(3)5:11(4)遗传图解:(3分)bbBb雄果蝇雌果蝇配子Fbb文字说明:子代Bb和bb各占12,其中Bb的个体雌雄各占2,bb的个体均为雄性,故子代雌:雄=1:3

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