See.....Do you know this disease

This is called Achondroplasia 

 is a common cause of dwarfism. It occurs as a sporadic mutation in approximately 80% of cases (associated with advanced paternal age) or it may be inherited as an autosomal dominantgenetic disorder.   
People with achondroplasia have short stature, with an average adult height of 131 centimeters (52 inches) for males and 123 centimeters (48 inches) for females. Achondroplastic adults are known to be as short as 62.8 cm (24.7 in).