Understanding rs910805: A Genetic Variant Linked to ASD Research
The genetic variant rs910805 is a single nucleotide polymorphism located in an intergenic region on chromosome 20. It is primarily recognized in scientific literature for its statistical association with Autism Spectrum Disorder (ASD) in large-scale genome-wide association studies.
What each genotype means
Typical genetic profile
This genotype represents the most common version of this genetic location observed in many populations. Current scientific research has not established a significant clinical impact or specific trait association for this variation. It is considered a standard genetic finding without known health implications.
This is the most frequent genotype globally, though exact percentages vary significantly by ancestral background.
Typical genetic profile
This genotype represents a heterozygous state at this genetic location. There is currently no robust evidence linking this specific combination to any particular health trait or clinical condition. It is generally regarded as a common variation with no established medical significance.
This genotype is found at varying frequencies across global populations, appearing as a common variation in many genetic studies.
Typical genetic profile
This genotype represents the alternative homozygous state at this genetic location. Research indicates that this variation does not have a clear or consistent association with specific health outcomes or disease risks. It is considered a normal variant within the human genome.
This genotype is observed in a subset of the population, with frequency distributions differing depending on the specific ancestral group studied.
What is rs910805 and Where is it Located?
The variant rs910805 is a specific change in the DNA sequence located on chromosome 20. In genetics, the term 'intergenic' means that this variant does not sit within the protein-coding sequence of a single gene. Instead, it resides in the space between genes, which often contains regulatory elements that help control how nearby genes are turned on or off. Because it is not inside a gene, it does not directly alter the structure of a protein. Instead, researchers investigate whether this location influences the expression levels of neighboring genes, such as NKX2-2, KIZ, XRN2, or NKX2-4. By studying these non-coding regions, scientists aim to understand the complex regulatory networks that contribute to human traits and susceptibility to various conditions.
Research Associations and Evidence Strength
The primary interest in rs910805 stems from its identification in large-scale genome-wide association studies (GWAS) regarding Autism Spectrum Disorder. It has been highlighted as a significant locus in meta-analyses, meaning that across large populations, individuals with certain alleles at this position show a statistical correlation with ASD diagnosis. However, it is important to note that 'statistical association' does not mean 'causation.' While the evidence for this association is considered moderate to strong in the context of GWAS findings, the biological mechanism remains a subject of active research. Some studies suggest that variants in this region may influence the expression of the NKX2-2 gene, which plays a role in development. Because ASD is a highly polygenic condition—meaning it is influenced by thousands of small genetic variations—rs910805 represents only a tiny fraction of the overall genetic architecture.
What You Can and Cannot Do With This Information
Genetic information like rs910805 is intended for educational and research purposes only. It is not a diagnostic tool, and it cannot predict whether an individual will develop a specific condition. Because the association between this variant and ASD is based on population-level statistics, it does not provide actionable medical advice for any single person. If you are concerned about your health or the health of a family member, it is essential to consult with a qualified healthcare professional or a genetic counselor. They can provide context based on your full medical history and family background. Never use information about a single SNP to make decisions about medical care, lifestyle changes, or clinical interventions, as these require a comprehensive evaluation by a medical expert.
How common is this variant?
The frequency of the alleles for rs910805 varies significantly across different ancestral populations. Researchers typically consult databases like gnomAD to determine the specific prevalence of these genotypes within a given ethnic or geographic group.
Frequently asked questions
Does having the rs910805 variant mean I have autism?
No. Genetic variants identified in GWAS are associated with statistical trends across large groups of people, not individual diagnoses. Autism is a complex condition influenced by many genetic and environmental factors.
Is rs910805 a 'bad' gene?
rs910805 is not a gene; it is a single nucleotide polymorphism in an intergenic region. It is not inherently 'bad' or 'good,' as it is simply a natural variation in the human genome that has been statistically linked to certain traits in research studies.
Can I get tested for rs910805?
While some direct-to-consumer genetic tests may include this SNP in their reports, it is not a standard clinical test. There is no medical benefit to knowing your status for this specific variant, as it does not change clinical management.
Where can I find more information on ASD genetics?
You can visit reputable sources like MedlinePlus Genetics or the National Human Genome Research Institute (NHGRI) for educational information. These sites provide evidence-based overviews of how genetics contributes to complex human traits.
Sources & further reading
Educational information only, last refreshed 10/1/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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