Long ago and far away. And unforgettable. July 2005
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A single cell of modern bread wheat contains more than five times the DNA of a human cell, in a much more complicated arrangement. As a result, it has taken a fair old while to decode wheat’s genome. Having done so, though, the DNA confirms what plant scientists have long suspected; bread wheat is the result of two separate occasions on which an ancestor of wheat crossed with a goat grass. The DNA also tells us when those crosses might have happened.
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