某种品系的鼠毛色灰色和黄色是一对相对性状�学家进行了大量的杂交实验得到了如下结果由此推断不正确的是 杂交 亲本 后代 杂交a 灰色× Template




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tomski某种品系的鼠毛色灰色和黄色是一对相对性状�学家进行了大量的杂交实验得到了如下结果由此推断不正确的是 杂交 亲本 coloring