家兔皮下脂肪白色对黄色为显性。将纯种白色脂肪家兔与黄色脂肪家

家兔皮下脂肪白色对黄色为显性。将纯种白色脂肪家兔与黄色脂肪家兔杂交,仔兔喂以含叶绿素的饲料时,仔兔的皮下脂肪为黄色,否则仔兔的皮下脂肪为白色。这种现象说明(    )  

A.基因型相同,表现型一定相同         B.基因型相同,表现型一定不相同

C.表现型相同,基因型一定相同         D.表现型受基因型与环境条件共同作用

答案

D


解析:

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