Which of the Following Is NOT a True Statement Regarding

question 60

Multiple Choice

Which of the following is NOT a true statement regarding sonic hedgehog protein (SHH) ?

• A) it is a ventralizing signal in the developing spinal cord
• B) its presence induces gene expression of a number of transcription factors
• C) its presence represses gene expression of a number of transcription factors
• D) it is found in abundance throughout the developing embryonic spinal cord

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