Primer
Published: 25 January 2023
Molecular quantitative trait loci
François Aguet, Kaur Alasoo, Yang I. Li, Alexis Battle, Hae Kyung Im, Stephen B. Montgomery & Tuuli Lappalainen
Nature Reviews Methods Primers volume 3, Article number: 4 (2023)
Related to the discussion about quantitative GWAS and QTL, this primer review (and in particular box 1) is helpful in clarifying the (non) difference between the two types of studies:
https://www.nature.com/articles/s43586-022-00188-6
The statistics behind quantitative GWAS and QTL studies is the same, the only main difference might be the multiple testing correction procedure.
In general, it’s more a nomenclature distinction, as the term “QTL” is often used specifically for molecular traits.
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