Related Experiment Videos
Genes for left-handedness: how to search for the needle in the haystack?
T Van Agtmael1, S M Forrest, R Williamson
1Murdoch Children's Research Institute, University of Melbourne, Australia. agtmaelt@cryptic.rch.unimelb.edu.au
Laterality
|October 30, 2004
Summary
Identifying genes for human handedness is challenging due to complex genetics. This study proposes a strategy using genetic models to identify genes that predispose individuals to left-handedness.
Area of Science:
- Human genetics
- Developmental biology
- Neuroscience
Background:
- Genes for structural asymmetry (e.g., situs inversus) are known, but genetic factors for human handedness remain largely uncharacterised.
- Standard linkage analysis faces challenges with the complex inheritance patterns of handedness.
- Previous genetic models suggest handedness may involve a common single gene with high frequency and non-Mendelian inheritance.
Purpose of the Study:
- To propose a novel strategy for identifying genes that determine human handedness.
- To leverage existing genetic models of handedness for gene discovery.
Main Methods:
- Utilisation of proposed genetic models for handedness inheritance.
- Application of a strategic approach for gene identification.
Main Results:
- A potential strategy for identifying genes influencing handedness is presented.
- The proposed method aims to overcome limitations of standard linkage analysis for complex traits like handedness.
Conclusions:
- The proposed strategy offers a pathway to investigate the genetic basis of human handedness.
- Further research applying this strategy could elucidate the genetic architecture of handedness determination.