Abstract
We propose a probability model to impute missing identical‐by‐descent (IBD) vectors for linkage analysis, when adjacent marker loci are typed and interference is estimable. A chromosome‐based IBD distribution, conditioned on available marker data, is computed using a fast algorithm to estimate the joint probability of genes IBD at several equally spaced linked loci. Weighted IBD vectors are then used in various test statistics for linkage analysis. As an example, we analyzed the 18 affected sib pairs in the GAW9 Problem 1 data set using Risch's lod‐score test. © 1995 Wiley‐Liss, Inc.
| Original language | English |
|---|---|
| Pages (from-to) | 871-876 |
| Number of pages | 6 |
| Journal | Genetic Epidemiology |
| Volume | 12 |
| Issue number | 6 |
| DOIs | |
| State | Published - 1995 |
Keywords
- IBD distribution
- linkage analysis
- mapping function
- sib‐pair method
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