下图表示同一生物体内不同体细胞的基因表达状况,据图判断下列说

下图表示同一生物体内不同体细胞的基因表达状况,据图判断下列说法中不正确的是(  )

A.图中黑色方框表示表达的基因

B.图中的3种细胞的基因组成具有特异性差异

C.图解可说明细胞的分化是基因选择性表达的结果

D.图中白色方框表示沉默的基因

答案

B

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