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1 Familial dilated cardiomyopathy Description Familial dilated cardiomyopathy is a genetic form of heart disease It occurs when heart cardiac muscle becomes thin and weakened in at least one chamb. 1RARA generetinoic acid receptor alphaNormal FunctionThe RARA gene provides instructions for making a transcription factor called the retinoic acid receptor alpha RARa A transcription factor is a prot 1PIGA genephosphatidylinositol glycan anchor biosynthesis class ANormal FunctionThe PIGA gene provides instructions for making a protein called phosphatidylinositol glycan class A This protein takes p 1MelanomaDescriptionMelanoma is a type of skin cancer that begins in pigment-producing cells called melanocytes This cancer typically occurs in areas that are only occasionally sun-exposed tumors are 1 Chronic myeloid leukemia Description Chronic myeloid leukemia is a slow-growing cancer of the blood-forming tissue (bone erythrocyteserythrocytes leukocytesleukocytes( thrombocytes) that are involv 1 ANTXR2 gene ANTXR cell adhesion molecule 2 Normal Function The ANTXR2 gene provides instructions for making a protein that is found at the surface of many types of cells. The ANTXR2 protein is be 1 Alpers-Huttenlocher syndrome Description Alpers-Huttenlocher syndrome is one of the most severe of a group of conditions called the POLG -related disorders. The conditions in this group feature a 1 Isolated Duane retraction syndrome Description Isolated Duane retraction syndrome is a disorder of eye movement. This condition toward the eartoward the ear toward the nosetoward the nose retractsr 1 Dyskeratosis congenita Description Dyskeratosis congenita is a disorder that can affect many parts of the body. There are three features that are characteristic of this disorder: fingernails and to 1 ADAMTS2 gene ADAM metallopeptidase with thrombospondin type 1 motif 2 Normal Function The ADAMTS2 gene provides instructions for making an enzyme that processes several types of procollagen molec 1 Ellis-van Creveld syndrome Description Ellis-van Creveld syndrome is an inherited disorder of bone growth that results in very dwarfismdwarfism lower legs and a narrow chest with short ribs. Ellis- 1 Parkinson disease Description Parkinson disease is a progressive disorder of the nervous system. The disorder affects several regions of the brain, especially an area called the substantia nigra th 1 Sandhoff disease Description Sandhoff disease is a rare inherited disorder that progressively destroys nerve cells ( central nervous systemcentral nervous system classified into three major types ba 1 Nail-patella syndrome Description Nail-patella syndrome is characterized by abnormalities of the nails, knees, elbows, and pelvis. The features of nail-patella syndrome vary in severity between aff 1 Y chromosome infertility Description Y chromosome infertility is a condition that affects the production of sperm and causes male infertility, which means it is difficult or impossible for affected