On Sunday, April 20th 2025, starting 8:30am GMT, there will be maintenance work that will involve the website being unavailable during parts of the day. We apologize for any inconvenience this may cause and appreciate your understanding.
We noted you are experiencing viewing problems
-
Check with your IT department that JWPlatform, JWPlayer and Amazon AWS & CloudFront are not being blocked by your network. The relevant domains are *.jwplatform.com, *.jwpsrv.com, *.jwpcdn.com, jwpltx.com, jwpsrv.a.ssl.fastly.net, *.amazonaws.com and *.cloudfront.net. The relevant ports are 80 and 443.
-
Check the following talk links to see which ones work correctly:
Auto Mode
HTTP Progressive Download Send us your results from the above test links at access@hstalks.com and we will contact you with further advice on troubleshooting your viewing problems. -
No luck yet? More tips for troubleshooting viewing issues
-
Contact HST Support access@hstalks.com
-
Please review our troubleshooting guide for tips and advice on resolving your viewing problems.
-
For additional help, please don't hesitate to contact HST support access@hstalks.com
We hope you have enjoyed this limited-length demo
This is a limited length demo talk; you may
login or
review methods of
obtaining more access.
- Special Designs
-
1. Family-based association tests: introduction
- Dr. Christoph Lange
-
3. Two-stage genome-wide association designs
- Dr. Andrew Skol
- Special Populations
-
4. Admixture mapping
- Dr. Paul McKeigue
- Whole-Genome Studies: Types of Data
-
5. QTL association mapping
- Prof. Bruce Weir
-
6. Adjusting for population structure in genetic association studies
- Prof. David Balding
- Whole-Genome Studies 2: Methods
- Archived Lectures *These may not cover the latest advances in the field
-
8. Family-based association tests: FBATs for various data types
- Dr. Christoph Lange
-
10. Use of isolated populations: pitfalls and potential
- Dr. Leena Peltonen
-
12. Detecting multiple associations in genome-wide studies
- Prof. Frank Dudbridge
-
13. Genome scanning by composite likelihood
- Dr. Andrew Collins
-
14. Multistage sampling for genetic studies
- Prof. Robert Elston
-
16. A survey of multi-locus methods for analysis of large SNP datasets
- Mr. A. Geert Heidema
-
17. Sequential analysis methods in genomic scans
- Prof. Michael Province
Printable Handouts
Navigable Slide Index
- Introduction
- Learning objectives
- Definition: genetic association
- Example 1: HIV-1 anti-body resistance
- Example 2: number of positive skin tests
- Example 3: Alzheimer-free survival and APOE
- Illustration of genetic association
- Linkage disequilibrium
- Case-control analysis
- Case-control analysis: testing for association
- Samples from mixed populations
- Population admixture: solutions
- Case-control analysis: dichotomous trait
- Family-based association analysis
- Family-based association studies
- The transmission disequilibrium test (1)
- The transmission disequilibrium test (2)
- The transmission disequilibrium test (3)
- Summary of TDT
- An alternative formula for the TDT
- The variables of the alternative test
- Computation using Mendelian transmission
- An alternative formula for the TDT: FBATs
- Limitations of FBAT/TDT approach
- FBATs: no parental genotypes (1)
- FBATs: no parental genotypes (2)
- The general FBAT
- The FBATs for quantitative traits
- First option of phenotype coding
- Second option of phenotype coding
- Summary of FBATs
Topics Covered
- Definition: genetic association
- Examples
- Linkage disequilibrium
- Case-control analysis
- Samples from mixed populations
- Population admixture
- Dichotomous trait
- The transmission disequilibrium test (TDT)
- An alternative formula for the TDT: FBATs
- FBATs: no parental genotypes
- The general FBAT
- FBATs for quantitative traits
Talk Citation
Lange, C. (2007, October 1). Family-based association tests: introduction [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved April 17, 2025, from https://doi.org/10.69645/EQOJ3342.Export Citation (RIS)
Publication History
- Published on October 1, 2007
Financial Disclosures
- Dr. Christoph Lange has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.