According to this information 151 million Americans earned some sort of wages or compensation in 2011. The median wage in the US per person is $26,695. This tells us a lot since the median household income is at $50,500. Since the Census data looks at households, this data hones in on individual wage earners.
For several years, Dr. Wasmuth and his team had suspected that the gene, FGFR3, was responsible for a defect that causes Huntington's disease, a neurological disorder. But they found no link. They took another look after other researchers suggested that the same chromosome region might harbor the achondroplasia gene.
Achondroplasia is similar to another skeletal disorder called hypochondroplasia, but the features of achondroplasia tend to be more severe. All people with achondroplasia have short stature. The average height of an adult male with achondroplasia is 131 centimeters (4 feet, 4 inches), and the average height for adult females is 124 centimeters (4 feet, 1 inch).