Notes on the population genetics of fragile X syndrome
β Scribed by Vianna-Morgante, Angela M. ;Otto, P. A.
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 350 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0148-7299
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The publication of 2 studies in this issueoftheJourna1 [Fisch, 1992; Reiss and Freund, 19921 on the relationship between the fragile X [fra(X)] and autistic syndromes provides an appropriate time to review the continuing debate about whether or not there is a relationshipbetween these 2 syndromes.
In this paper we report on a third patient with Klinefelter syndrome and fragile X. In the Leuven experience the simultaneous occurrence of both conditions is 1:155 (3 fra(X) positive Klinefelter patients in a total number of 465 fra(X) positive males), a concurrence much higher than expected by cha
Three p o p u l a t i o n s of r e t a r d e d i n d i v i d u a l s were s u rveyed and t h e f r e q u e n c y of t h e f r a (X) w a s found t o b e 1 . 9 % i n males and 0.3% i n females. STUDY POPULATIONS W e have completed s u r v e y s of 3 p o p u l a t i o n s of m e n t a l l y r e t a r d