摘要:20.紫色种皮.厚壳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杂合紫皮 薄壳花生有3966株.问纯合的红皮厚壳花生约是 A.1322株 B.1983株 C.3966株 D.7932株

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