This is because mutations can occur not only in the promoter site of the transcription region but also in the promoter site of the non-transcription region in the TBX22 gene, modifying the transcription activity and resulting in various mutations [ 8 ].
Results One hundred Author information Article notes Copyright and License information Disclaimer. The male-female ratio was 2. A correlation with X-linked recession was observed in many patients in groups B and C Fig. Department of Plastic and Reconstructive Surgery, St. Published online Jul
If an individual were to carry two copies of the dominant mutant gene inherited from both parentshe or she would be homozygous AA. Klockars T, Pitkaranta A. Info Print Print. Thank you for subscribing. Identification and characterization of these contributing genetic factors may not only enable improved diagnostic and prognostic indicators but may also identify potential targets for future therapeutic intervention.
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It is expected that the inheritance trend of ankyloglossia will be identified more clearly in gene-level studies on ankyloglossia that will be based on the outcomes of this study. Among these are such disorders that result from triplet repeat expansions within or near specific genes e.
The Roman numerals denote generations, whereas the Arabic numerals identify individuals within each generation. Ramneet Kaur July 29, - pm welcome. More About. No potential conflict of interest relevant to this article was reported.
Here is a pedigree depicting X-linked recessive inheritance. Kahn, DDS. The inheritance rate was Relatives with tongue-tie were seen only in the third generation. In the group with no family history of ankyloglossia, the male-female ratio was 3.