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. Author manuscript; available in PMC: 2017 Feb 25.
Published in final edited form as: Nature. 2016 Aug 25;536(7617):419–424. doi: 10.1038/nature19310

Figure 1. Genetic structure of ancient West Eurasia.

Figure 1

(a) Sampling locations and times in six regions. Sample sizes for each population are given below each bar. Abbreviations used: E: Early, M: Middle, L: Late, HG: Hunter-Gatherer, N: Neolithic, ChL: Chalcolithic, BA: Bronze Age, IA: Iron Age. (b) Principal components analysis of 991 present-day West Eurasians (grey points) with 278 projected ancient samples (excluding the Upper Paleolithic Ust’-Ishim, Kostenki14, and MA1). To avoid visual clutter, population labels of present-day individuals are shown in Extended Data Fig. 1.