Achondroplasia is a genetic disorder that comes from the inability to change cartilage into bone, especially in long bone. The characteristic of the disease is short stature, large head, vertebral abnormalities, and many other possible symptoms. It's inherited genetically by a dominant pattern, but most cases come from a mutation from a parent that has no defect gene. It is the most common cause of dwarfism.
air temperature, air pressure, humidity of the air, amount and kind of cloud cover, amount and kind of precipitation, and speed and direction of the wind.
