This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Pathology
[{'content': 'The gene that regulates normal morphogenesis during development is: \nSelect and explain. \nA. FMR-1 gene, B. Homeobox gene, C. P-16, D. PTEN', 'role': 'user'}, {'content': 'Answer: B \nExplanation: HOX gene( Homeobox gene). Normal morphogenesis during development include Implicated in the patterning of limbs, veebrae, and craniofacial structures. Possess retinoic acid response elements(RAREs)- Required for mediating both physiologic and pathologic effects of retinoids Mutations of HOXD13 cause synpolydactylyin heterozygous individuals mutations of HOXA13 cause Hand-foot-genital syndrome,', 'role': 'assistant'}]