A 48-year-old member asked:
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is dwarfism caused by a recessive or dominant allele?

1 doctor answer
Dr. Anna-Kaisa Niemi
15 years experience Clinical Genetics
It depends: It depends on what one means by dwarfism: a short stature in general (this depends on your ethnic origin as well) or a genetic syndrome which involves extremely short stature as part of the clinical picture. Some of them are dominant = inherited from a parent or rose spontaneously (de novo) in the individual. Some of them are recessive (=parents unaffected carriers of the condition).
Answered on Apr 5, 2016
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Related questions:

A 47-year-old member asked:
Dr. Keith Vaux
26 years experience Clinical Genetics
Many types: There are many different types, for example, the most common type is achondroplasia which is on the short arm of chromosome 4.
A 37-year-old member asked:
Dr. Ed Friedlander
43 years experience Pathology
Probably all of them: There are a few hundred different genetic loci that produce dwarfism. Achondroplastic dwarfism is usually the result of a mutation on chromosome 4.
A 42-year-old member asked:
Dr. Elizabeth Wallen
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Short stature: There are literally hundreds of causes (or afflictions) of dwarfism. One of the most common is achondroplasia but that is not the only one.
A 44-year-old member asked:
Dr. Ahmad M Hadied
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Yes it could: Osteochondrodysplasias are a group of hereditary disorders in which bone or cartilage grows abnormally, so that the skeleton develops abnormally. Many ... Read More
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