In this context, different populations of both teosinte subspecies have contributed to modern maize's gene pool. Our results suggest that the likely ancestor of maize may have been domesticated in Jalisco or in the southern Pacific Coast and not in the Balsas Basin as previously thought. parviglumis and documented multiple gene flow events with other members of the genus, including an event between Z. We confirmed a strong geographic structure within Z. We then inferred the levels of gene flow among teosinte populations and maize, the degree of population structure of Zea mays subspecies, and the potential domestication location of maize. We used 32 739 single nucleotide polymorphisms (SNPs) obtained from 29 teosinte populations and 43 maize landraces to explore the relationship between wild and cultivated members of Zea. mexicana was not taken into account in early studies. However, the underlying diversity of teosintes from Z. parviglumis from the Balsas Basin in Southwestern Mexico. The current consensus points towards a single domestication event from teosinte Zea mays ssp. mays) is one of the most important crops in the world, with a long and a relatively well-documented history of domestication. However, the ability to correctly infer the many aspects of domestication process depends on having an adequate representation of wild relatives. Recent studies have suggested that multiple domestications and introgression are more common than previously thought. The widespread use of genomic tools has allowed for a deeper understanding of the genetics and the evolutionary dynamics of domestication.
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