Studies have shown that about 80 percent height of a person is controlled by DNA sequences which they have inherited. Environmental factors such as nutrition play a smaller role in determining a person’s height. However, the effect of genes on height is only partially understood. There are certain gene variants which cause a dramatic effect on the height. One among these is the FGFR3 gene which is responsible for a condition called achondroplasia, characterized by short stature.
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