Ectopic Maxillary Canines: Segregation Analysis and a Twin Study
S. Camilleri1,2,*,
C.M. Lewis3, and
F. McDonald1
1 Department of Orthodontics and
3 Division of Genetics and Molecular Medicine, Kings College London, Dental Institute, Floor 22, Guys Tower, St Thomas St., London SE1 9RT, UK, and
2 Faculty of Dental Surgery, University of Malta, Malta, GC

View larger version (12K):
[in this window]
[in a new window]
|
Figure 1. Relative risk drop-off. The reduction in Relative Risk against Degree of Relation is very similar to the theoretical curve for inheritance of a genetic disease. ( R = Relative Risk).
|
|

View larger version (5K):
[in this window]
[in a new window]
|
Figure 2. Ectopic canine pedigree. Pedigree showing autosomal-dominant transmission, incomplete penetrance, and discordant identical twins, with the trait transmitted to the offspring of the affected twin. The arrow indicates the proband.
|
|
Copyright © 2008 Institutional Access Guidelines