衡中同卷高三一调答案2022

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32.（每空2分，共12分)(1)性指数是否存在Y染色体(2)X"(或X"0)XXY(3)实验思路：选择初级例外白眼雌蝇与止常红眼雄蝇父配，统计后代的性状及比例：预期结果：杂交后代中红眼雌蝇：红眼雄蝇：白眼雌蝇：白眼雄蝇=44：3：3：44。

第一节【参考范文】ainu thal th Engish DramJoin it.I have been Interested in perIorcrhiying new members, I am writing o ywhich fascinate me greatly. Besny childhood. I have also read most of Shakespcar'snative speakers att our schoolerd at spoken English because I always practice spe is hI expect io put my torner. I won first prize in the Speech Contest of ourpentorwith other clubearch aonward