Ancestry analysis using autosomal SNPs in northern South America, reveals interpretation differences between an AIM panel and an identification panel

•Ancestry evaluation using SNPforID 52plex is biased compared to subset 79 AIMs belonging Lace panel.•Ancestry evaluation generated with the identification panel must be interpreted with caution.•New SNPs panel with higher In for Native American populations would improvement ancestry assessment.•Convenience non-probability sampling, demographic previous study help to found Native American ancestry admixed populations.•Convenience non-probability sampling, historical, demographic tools in ancestry evaluation.