'We identified three genes responsible for the accumulation of alpha and beta carotene, which make carrots orange,' study author Massimo Iorizzo told Newsweek.
Carrots may be closely associated with the color orange, but it turns out that these brightly-hued veg get their color due to only three specific genes.
Research into the genetics of 630 types of carrot has found that these three genes are specific to the orange color of the vegetable, with all three needing to be"switched off" for orange to result, according to a new study in the journal"In the paper, we identified three genes responsible for the accumulation of alpha and beta carotene, which make carrots orange," Massimo Iorizzo, an associate professor of horticultural science with North Carolina State University's...
Stock image of a person holding orange carrots. Scientists have found that three genes are responsible for making carrots orange.In their research, which was a collaborative project with scientists at USDA-ARS, UW-Madison, UC-Davis, Bayer, and other collaborators from Poland, the authors also found that areas of the carrot genome under strongest selection by humans were genes involved in flowering.
This finding backs up the chronology of the history of carrots, which are thought to have first been domesticated in western and central Asia in the 9th or 10th century. They were initially purple in color before coming to Europe later, being selectively bred to be a number of different colors. It is also thought that orange carrots, which first appeared in Western Europe in the 15th or 16th century, may have resulted from crossing white and yellow carrots.
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