摘要:7.紫色种皮.厚壳花生和红色种皮.薄壳花生杂交.F1全是紫皮.厚壳花生.自交产生F2.F2中紫皮.薄壳花生有3966株.问杂合的红皮.厚壳花生约是 A.1322株 B.1983株 C.2644株 D.7932株

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