Article
Chloroplast DNA variation confirms a single origin of domesticated sunflower (Helianthus annuus L.).
The Journal of heredity - 1 Jan 2000
Wills David M, Burke John M
Abstract excerpt
Although sunflower was long thought to be the product of a single domestication in what is now the east-central United States, recent archaeological and genetic evidence have suggested the possibility of an independent origin of domestication, perhaps in Mexico. We therefore used hypervariable chloroplast simple-sequence repeat markers to search for evidence of a possible Mexican origin of domestication. This...
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