Ventricular Outflow Obstruction/genetics; Abnormalities, Multiple/embryology; Abnormalities, Multiple/genetics; Adult; Alagille Syndrome/embryology; Alagille Syndrome/genetics; Alagille Syndrome/pathology; Animals; Aorta/embryology; Aorta, Thoracic/embryology; Aortic Coarctation/embryology; Aortic Coarctation/genetics; Aortic Valve/embryology; Aortic Valve/pathology; Basic Helix-Loop-Helix Transcription Factors; Cell Lineage; Cell Movement; Child; DNA-Binding Proteins/genetics; DNA-Binding Proteins/physiology; DiGeorge Syndrome/embryology; DiGeorge Syndrome/genetics; DiGeorge Syndrome/pathology; Fetal Heart/pathology; Genetic Heterogeneity; Heart Defects, Congenital/embryology; Heart Defects, Congenital/genetics; Hemorheology; Humans; Hypertension, Pulmonary/genetics; Infant, Newborn; Mice; Mice, Knockout; Morphogenesis/genetics; Neural Crest/cytology; Pulmonary Artery/embryology; Tetralogy of Fallot/genetics; Tetralogy of Fallot/metabolism; Transcription Factors/genetics; Transcription Factors/physiology; Ventricular Outflow Obstruction/embryology; Zebrafish Proteins