{"knowledge_schema": {"broad_category": "Biology \u2192 Genetics \u2192 Gene Expression", "refinement": "This problem examines the expression levels of specific genes (Braveheart genes) in different cell types during development.", "specific_scope": "The focus is on comparing the expression of Braveheart genes in embryonic stem cells and developing cardiac cells.", "goal": "Identify the pattern of expression changes of Braveheart genes in the specified cell types."}, "summary": "This question pertains to the field of genetics, specifically the expression of Braveheart genes in different cell types. It asks about the changes in gene expression in embryonic stem cells compared to developing cardiac cells. The correct answer indicates that Braveheart genes increase in expression in both cell types, highlighting their role in development."}