Introduction Genetic Disorders are medical conditions that are caused by an error in a person's genes. Some of them appear as a birth defect, while others do not become distinct until later in life. Genetic disorders can range from those that cause death to those that produce only mild problems, such as color blindness or an extra pinky. Scientists have distinguished more than 9,000 genetic disorders. Some are exceptionally rare while others are quite common. Types of Genetic Disorders There are three types of genetic disorders. The first one is categorized as single-gene disorders. A second category of genetic diseases i