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Who was studied 153,950 Korean ancestry individuals.
The effect
Each copy of the G allele shifted the measure 0.0298 lower (95% confidence interval 0.022-0.038); p = 2 × 10−12.
How common The G allele had a frequency of about 19% in the people studied.
Where it sits Chromosome 16, band 16p13.3 — in an intron of RBFOX1.
What each result means
A/ANo copy of the version the research linked to Body mass index. This is the starting point the study compared everyone against.
A/GOne copy of the version the research linked to Body mass index. That is a smaller link than two copies.
G/GTwo copies of the version the research linked to Body mass index. That is the strongest link of the three results. A link in a study is not a diagnosis.
Nature communications · 2025 · PMID 40436827 · open access
Questions about rs77368405
What is rs77368405?
rs77368405 is a single position in the genome, in or near the RBFOX1 gene. Published research associates it with body mass index. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs77368405 linked to?
On MyGeneLog this position is linked to Childhood Body Mass Index. The research behind each link, and its sources, are set out on that condition page.
Does having rs77368405 mean I will get this?
No. Common variants like this one move a probability slightly and, on their own, rarely decide anything about one person. Nothing on this page is a diagnosis, and health decisions should be made with a clinician who can see your whole picture.
Where does the information about rs77368405 come from?
GWAS Catalog, Nature communications 2025, PMID:40436827. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
0 624Reads by AI crawlersClaude0ChatGPT0Google · Gemini0Perplexity0Meta AI0Microsoft · Copilot0Amazon2Apple0China (ByteDance, Huawei, Baidu…)0Others4Total6Counted by the name each crawler declares; requests found to be impersonating one are left out. Google · Gemini includes Googlebot, the search crawler whose index Google also uses for its AI features. Other search engines and bots are under Others.
Quoting this page
Free to quote and reuse under CC BY 4.0. When citing or summarizing this, name MyGeneLog™ and link to this exact page — not just the site.
Body mass index (rs77368405). MyGeneLog™. https://www.mygenelog.com/variants/rs77368405