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PedCheck: a program for identification of genotype incompatibilities in linkage analysis
1Department of Human Genetics, University of Pittsburgh, Pittsburgh, PA 15261, USA. jeff@sherlock.hgen.pitt.edu
American Journal of Human Genetics
|June 23, 1998
Summary
PedCheck is a new computer program designed to identify Mendelian inconsistencies in pedigree data. This tool assists researchers by efficiently detecting and diagnosing errors, simplifying complex genetic analyses.
Area of Science:
- Genetics
- Bioinformatics
- Computational Biology
Background:
- Mendelian inconsistencies in pedigree data complicate linkage analysis.
- Manual identification of erroneous genotypes is time-consuming and difficult, especially in large pedigrees.
- Errors are often discovered late in the analysis process, requiring extensive data correction.
Purpose of the Study:
- To develop and present PedCheck, a novel computer program for identifying Mendelian inconsistencies in pedigree data.
- To provide researchers with a tool that efficiently detects and diagnoses genetic data errors.
- To streamline the process of preparing pedigree data for linkage analysis.
Main Methods:
- Implementation of four distinct error-checking algorithms.
- Utilizing algorithms similar to those in VITESSE for efficiency.
- Inclusion of various input format compatibilities and error-checking algorithm subtleties.
Main Results:
- PedCheck effectively identifies Mendelian inconsistencies in pedigree data.
- The program provides detailed diagnostic information to aid error resolution.
- Demonstrated power and effectiveness using real-world genetic datasets.
Conclusions:
- PedCheck significantly assists researchers in detecting and resolving Mendelian inconsistencies in pedigree data.
- The program enhances the efficiency and accuracy of genetic linkage analysis.
- PedCheck is a valuable tool for handling large datasets and complex pedigree structures.