Key result
Despite sharing an identical Total Genotype Score of 50, two identical twin athletes developed distinct training and competitive distance preferences, demonstrating the limitations of using genetic profiling alone to predict athletic talent.
Why the study?
Information regarding genetics and sports is often misinterpreted by those who do not apply genetics in day-to-day training.
Case Report (n=2)
No
Answers are grounded in this paper and cite their sources.
This case report highlights the practical application of genetic information in sports training using identical twin athletes.
Over the last few years, the number of publications regarding genetics and sports has notably increased. However, the way this information is actually used is often misinterpreted by those who do not apply genetics in their day-to-day training. Therefore, the purpose of this short communication is to exemplify, using the real cases of identical twin athletes, how genetic information must be applied in sports. Additionally, we present data on performance tests and individual preferences for training and competitions between the athletes. Accordingly, the study concludes with a distinction between genetic profile studies and genetic application studies, emphasizing the importance of further research in this area, especially case reports.
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Bottura et al. (2025) conducted a case report in Athletic performance (n=2). Total Genotype Score (TGS) was evaluated on Training preferences and performance outcomes. Despite sharing an identical Total Genotype Score of 50, two identical twin athletes developed distinct training and competitive distance preferences, demonstrating the limitations of using genetic profiling alone to predict athletic talent.
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