MALD results for the AA-DHS. LOD scores are plotted by chromosome for the seven phenotypes examined: A. 25-hydroxyvitamin D, B. 1,25-dihydroxyvitamin D, C. Vitamin D Binding Protein (VDBP), D. Bioavailable Vitamin D (BAVD), E. intact Parathyroid Hormone (iPTH), F. thoracic vertebral volumetric bone mineral density (tBMD), G. lumbar vertebral volumetric bone mineral density (lBMD)