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A 42-year-old member asked:

Will all babies with a parent that is a dwarf have achondroplasia?

2 doctor answers2 doctors weighed in
Dr. Edward Kuhnley
Child Psychiatry 46 years experience
Not necessarily: Achondroplasia may be inherited as an autosomal dominant trait, meaning that getting the gene from 1 parent causes the child to have the disorder. If 1 parent has achondroplasia, the infant has a 50% chance of inheriting the disorder. If both parents have the condition, chances increase to 75%. However, most cases appear as spontaneous mutation, meaning 2 parents w/o it may have a child with it.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Edward Kuhnley
Child Psychiatry 46 years experience
Not necessarily.: Achondroplasia may be inherited as an autosomal dominant trait, meaning that getting the gene from 1 parent causes the child to have the disorder. If 1 parent has achondroplasia, the infant has a 50% chance of inheriting the disorder. If both parents have the condition, chances increase to 75%. However, most cases appear as spontaneous mutation, meaning 2 parents w/o it may have a child with it.
Created for people with ongoing healthcare needs but benefits everyone.

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Last updated Nov 6, 2012
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