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Who was studied 67,034 European ancestry men; replicated in 8,715 European ancestry men, 9,793 men.
The effect
Each copy of the A allele shifted the measure 0.005 lower; p = 9 × 10−10.
How common The A allele had a frequency of about 96% in the people studied.
Where it sits Chromosome 17, band 17q21.33 — in an intron of FAM117A.
What each result means
A/ATwo copies of the version the research linked to Mosaic loss of chromosome Y (Y chromosome dosage). That is the strongest link of the three results. A link in a study is not a diagnosis.
A/TOne copy of the version the research linked to Mosaic loss of chromosome Y (Y chromosome dosage). That is a smaller link than two copies.
T/TNo copy of the version the research linked to Mosaic loss of chromosome Y (Y chromosome dosage). This is the starting point the study compared everyone against.
Nature genetics · 2017 · PMID 28346444 · open access
Questions about rs77522818
What is rs77522818?
rs77522818 is a single position in the genome, in or near the FAM117A gene. Published research associates it with mosaic loss of chromosome y (y chromosome dosage). A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs77522818 linked to?
On MyGeneLog this position is linked to Mosaic Loss of Chromosome Y. The research behind each link, and its sources, are set out on that condition page.
Does having rs77522818 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 rs77522818 come from?
GWAS Catalog, Nature genetics 2017, PMID:28346444. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
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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.
Mosaic loss of chromosome Y (Y chromosome dosage) (rs77522818). MyGeneLog™. https://www.mygenelog.com/variants/rs77522818