Achondroplasia

osteosclerosis congenita is the most everyday form of dwarfism found in the world today. It has many serious effects, and potty be demeanor threatening, or debilitating in some cases. If the decorous precautions atomic number 18 taken, then affected mess terminate usually travel fairly normal lives.         Achondroplasia affects ab prohibited 1 proscribed of every 15,000 state born. It is autosomal dominant, and is caused by an abnormal component located on chromosome #4. If one p arnt has the condition and the early(a) does non, with from each one pregnancy thither is a 50 partage vista that each child forget be affected. If two(prenominal) p arnts pull in Achondroplasia, there is a 50 portion chance that the child provide inherit the condition, a 25 percent chance that the child will not have it, and a 25 percent chance that the child will set about one affected divisor from each p bent and be either stillborn, or die presently after birth . In most cases (over 80 percent), however, Achondroplasia is not inherited only results from a new mutation (change) that occurred in the egg or sperm cell that formed the embryo.         In 1994, researchers identified the gene that causes Achondroplasia. This discovery allowed the development of highly unblemished prenatal tests that can diag beak or rule out Achondroplasia. These tests ar offered when both expectant parents have Achondroplasia.         The characteristics of Achondroplasia are apparent at birth.

The disorder causes several typical facial nerve features such as hav ing a large head with a prominent forehead. ! The mid(prenominal) face is often undersized with a flatcar nose and narrow nasal passages. The jaw tends to be small which can set the stage for dental crowding. Ear infections are commonality, and if left(p) untreated, can cause hearing damage, or loss. To prevent this, ear tubes are appointed to those that are commonly affected.         Respiratory problems are common with infants... If you want to get a full essay, order it on our website: OrderCustomPaper.com

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