This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Both mutagenic and morphogenic is? 
Select and explain. 
A. IGF1, B. FGF, C. PDGF, D. Bone morphogenic protein
A: IGF1
Answer: A: IGF1 
Explanation: Insulin-like growth factor 1 (IGF-1), also called somatomedin C, is a protein that in humans is encoded by the IGF1 gene. IGF-1 has also been referred to as a "sulfation factor" and its effects were termed "nonsuppressible insulin-like activity" Inderbir Singh&;s human embryology