Achondroplastic dwarfism

Dominant gene disorders that could be caused by radiation include traits such as FFuntington s chorea, hypercholesterolemia, and achondroplastic dwarfism. The X-linked traits include traits such as muscular dystrophy, hemophilia, and agammaglobulinemia. However, there is no direct evidence that these diseases have been induced in humans by irradiation. 

Individuals with achondroplastic dwarfism have about 80% fewer viable offspring than do normal persons, but the incidence of achondroplasia seems to have remained constant for generations. These observations imply... 

In some central African tribes that inhabit the rain forest and rely on hunting for food, all the adults are less than 5 feet tall. They are thin and muscular and weigh an average of 99 pounds. The cause of the dwarfism is not known. They are not likely, as some believed, to be achondroplastic dwarfs since their... 

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See also in sourсe #XX -- [ , ]

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