21. In most cases of skeletal dysplasia, such as achondroplasia , mental function is not impaired. 22. Miller, who had the genetic condition achondroplasia ( a type of dwarfism ) was tall. 23. :You are probably thinking about achondroplasia , which is the most common type of dwarfism. 24. Christy Ruhe ( pronounced ROO-ee ) was born with achondroplasia , a form of dwarfism. 25. New gene mutations leading to achondroplasia are associated with a father older than the age of 35. 26. Achondroplasia is an autosomal dominant disorder caused by the presence of a faulty allele in the genome.27. He was born with achondroplasia , a genetic disorder that is the most common cause of dwarfism. 28. In the context of achondroplasia , this mutation causes FGFR3 to become constitutively active, inhibiting bone growth. 29. This deformity consists of a shortened backbone and, unlike achondroplasia , head and legs of average size. 30. Their diets should be restricted to smaller portions than that of a child who is not diagnosed with achondroplasia .