For example, a group led by Svante P??bo of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, analyzed the alleles, or versions, of specific genes in corn cobs recovered from sites in Mexico near the origin of corn domestication.

• 德国莱比锡的马克斯普朗克考古人类学研究所帕波的研究团队，分析了从墨西哥玉米栽培起源地附近发现的玉米穗轴中，特定基因的对偶基因（基因型）。