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20．水稻是自花传粉植物水稻的高茎对矮茎是显性判断高茎是否是纯合体最经济最合理的方法是 A．测交 B．测交和自交 C．自交 D．无需测交 Template






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tomski20．水稻是自花传粉植物水稻的高茎对矮茎是显性判断高茎是否是纯合体最经济最合理的方法是 a．测交 b．测交和自交 coloring
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