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举一反三
【单选题】Our brains could be hard-wired to be male or female long before we begin to grow testes(丸)or ovaries(卵巢)in the womb. This discovery might explain why some people feel trapped in a body that’s the wron...
A.
continue to study the influence of genes on human brain sexuality
B.
look for more dominant genes for males as well as for females
C.
continue their study about genes on mice
D.
show that there are differences in expression of genes of males and females
【单选题】下列哪项不是牙源性腺样瘤与含牙囊肿的区别点
A.
肿瘤上皮为结节状实性细胞巢，可形成玫瑰花样结构
B.
肿瘤上皮为立方或柱状细胞，形成环状腺管样结构
C.
由多边形嗜酸性鳞状细胞组成小结节
D.
肿瘤为梁状或筛状
E.
肿瘤腔内可含牙