問題詳情

14. What is a homeobox?
(A) a cluster of homeotic genes
(B)a sequence within a homeotic gene that encodes the DNA-binding portion of a transcription factor
(C)the portion of the promoter to which a homeoprotein binds to activate transcription of genes important for development
(D)an enhancer region needed for expression of a homeotic gene
(E) none of these are correct

參考答案

無參考答案

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