Dentition of a 48,XYY,+21 male |
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| Authors: | Grant Townsend |
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| Affiliation: | (1) Department of Oral Biology, The University of Adelaide, 5000 Adelaide, South Australia, Australia |
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| Abstract: | Summary Although the dentition of a 48,XYY,+21 male showed some typical features of Down's syndrome, metric analysis indicated a marked increase in tooth size particularly for early developing teeth. The extra Y chromosome can influence phenotypic expression, overcoming the superimposed effects of the additional 21 chromosome. |
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