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In fact, from recent genetic studies it is clear how the cutlery center of biodiversity is China, where an endemic population of primordial chopsticks still lives. From these, or a similar concestor, the ancestor of knives emerged, with a successive speciation into steak, fish and butter knives. More recently, a second clade gave birth to spoons and forks, with both adapting to different gastronomic niches and accordingly varying in size.
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