PDF-httpsmedlineplusgovgeneticshttpsmedlineplusgovgenetics

1 Congenital contractural arachnodactyly Description Congenital contractural arachnodactyly is a disorder that affects many parts of the body dolichostenomeliadolichostenomelia arachnodactylyarachno. 1 How Genes Work 1 What are proteins and what do they do? Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for t 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 Ankylosing spondylitis Description Ankylosing spondylitis is a form of painful, ongoing joint inflammation (chronic inflammatory arthritis) that primarily affects the spine. Early symptoms of anky 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 Age-related macular degeneration Description Age-related macular degeneration is an eye disease that is a leading cause of vision loss in older people in developed countries. Subtle abnormalities i 1 Atopic dermatitis Description also known as atopic eczemaalso known as atopic eczema dermatitisdermatitis often disappears before adolescence. However, in some affected individuals the condition co 1 Dermatofibrosarcoma protuberans Description Dermatofibrosarcoma protuberans is a rare type of cancer that causes a tumor in the deep layers of skin. This condition is a type of soft tissue sarcoma, 1 Terminal osseous dysplasia Description Terminal osseous dysplasia is a disorder primarily involving skeletal abnormalities and certain skin changes. It is a member of a group of related conditions 1 Early-onset isolated dystonia Description Early-onset isolated dystonia is one of many forms of dystonia, which is a group of muscle contractionsmuscle contractions tremorstremors other uncontrolle 1 EGFR gene epidermal growth factor receptor Normal Function The EGFR gene provides instructions for making a receptor protein called the epidermal growth factor receptor, which spans the cell memb 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 Familial hyperaldosteronism Description Familial hyperaldosteronism is a group of inherited conditions in which the adrenal glands, which are small glands located on top of each kidney, produce too 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