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. 2021 Oct 26;11:21125. doi: 10.1038/s41598-021-00576-0

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Principal component analysis and ADMIXTURE analysis for K = 6. (a) Principal component analysis of exome variants in Tunisian samples together with a panel of surrounding and other worldwide populations. (b) Principal component analysis of Tunisian samples together with Mozabite and Yemeni samples, excluding nine outlier individuals in A. (c) ADMIXTURE analysis (K = 6) of North African samples together with a panel of surrounding and other worldwide populations. Population abbreviations stand for Tunisian Amazigh (TA), Tunisian non-Amazigh (TNA), Mozabite (MOZ), Yemeni (YEM), Yoruba (YRI), Luhya (LWK), Utah residents (CEPH) with Northern and Western European ancestry (CEU), Han Chinese in Beijing (CHB) and Indian Telugu in the UK (ITU).