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Who was studied 3,598 Qatari ancestry cases, 2,287 Qatari ancestry controls; replicated in 4,641 Qatari ancestry cases, 3,126 Qatari ancestry controls.
The effect
The reported allele is A; the catalogue records no effect size
; p = 2 × 10−12.
How common The A allele had a frequency of about 0% in the people studied.
Where it sits Chromosome 19, band 19q13.42 — inside RDH13.
What each result means
A/ATwo copies of the version the research linked to Vitamin D deficiency. That is the strongest link of the three results. A link in a study is not a diagnosis.
A/GOne copy of the version the research linked to Vitamin D deficiency. That is a smaller link than two copies.
G/GNo copy of the version the research linked to Vitamin D deficiency. This is the starting point the study compared everyone against.
International journal of molecular sciences · 2025 · PMID 41096749 · open access
Questions about rs1268647997
What is rs1268647997?
rs1268647997 is a single position in the genome, in or near the RDH13 gene. Published research associates it with vitamin d deficiency. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs1268647997 linked to?
On MyGeneLog this position is linked to Vitamin D Deficiency and the GC Gene. The research behind each link, and its sources, are set out on that condition page.
Does having rs1268647997 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 rs1268647997 come from?
GWAS Catalog, International journal of molecular sciences 2025, PMID:41096749. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
0 15122217Reads by AI crawlersClaude0ChatGPT0Google · Gemini1Perplexity2Meta AI0Microsoft · Copilot0Amazon2Apple2China (ByteDance, Huawei, Baidu…)1ByteDance (Doubao)1Others7Total15Counted 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.
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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.
Vitamin D deficiency (rs1268647997). MyGeneLog™. https://www.mygenelog.com/variants/rs1268647997