Genetic Diseases 3.0 / 5 based on 1 rating ? Home Economics: Child DevelopmentGCSEAQA Created by: EllieCreated on: 21-03-13 15:13 642315 Across 1. is often associated with external bleeding. However, a more common symptom is internal bleeding. This usually occurs around the joints and muscles. Internal bleeding can cause symptoms of pain and stiffness and, over time, it can damage the joints. (11) 5. is the most common cause of dementia. Dementia is a group of symptoms associated with a decline in the way your brain functions, affecting your memory and the way you behave.This Disease most common in people over 65 years of age, and affects slight (10, 7) 6. this gradually causes the muscles to weaken. This leads to an increasing level of disability.caused by mutations (changes) in the genes that are responsible for the structure and functioning of a person’s muscles (8, 9) Down 2. is a fault in the development of the spine and spinal cord which leaves a gap in the spine. A spinal cord that's damaged may not be able to do the important job of getting messages to and from the brain. (5, 6) 3. affects the internal organs, especially the lungs and digestive system, by clogging them with thick sticky mucus. This makes it hard to breathe and digest food. It is one of the UK's most common life-threatening inherited diseases. (6, 8) 4. Also called Trisomy 21, it is a condition in which extra genetic material causes delays in the way a child develops, both mentally and physically.a child inherits an extra 21 chromosome, meaning they inherit 47 chromosomes instead of 46 (5, 8)
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