Results from the study by Sherrington et a]. [1988] indicate that the maximum lod score (3.2) from a linkage analysis between narrowly defined clinical diagnostic criteria for schizophrenia and polymorphic markers on chromosome 5 is lower than that (6.5) from an analogous analysis between broadly de
A genetic model having complex linkage behaviour
โ Scribed by W. J. Ewens
- Book ID
- 105010128
- Publisher
- Springer
- Year
- 1968
- Tongue
- English
- Weight
- 362 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0040-5752
No coin nor oath required. For personal study only.
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For diseases with a complex mode of inheritance, such as schizophrenia, traditional linkage analysis assuming Mendelian inheritance of a single gene may be expected to have relatively low power, but to occasionally detect (in fortuitous pedigree samples) either a rare gene which by itself causes the
I should like to make four points in connection with Neil Risch's [ 19901 provocative and thoughtful review.
A linkage test in complex disease is well motivated under either of two conditions: if a prior segregation analysis has given evidence for a major gene, or if there is a candidate locus that may influence liability. Although methods have been developed for pairs of affected relatives without specify
Dr. Risch [ 19901 is to be commended for his authoritative investigation and review of the many potential problems associated with linkage analysis of complex diseases. Such a comprehensive report has long been due. Here, I would like to expand on a technique briefly referred to towards the end of t