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The source of 'A' genome in wheat is

The source of 'A' genome in wheat is Correct Answer T. urartu

The source of 'A' genome in wheat is T. urartu.
Bread wheat, Triticum aestivum, is a hexaploid comprising an “A” genome from the wild diploid Triticum urartu (Au genome), a “B” genome most likely from Aegilops speltoides, and a “D”genome from Triticum tauschii.
The first cultivated wheat was the diploid Triticum monococcum, einkorn wheat selected from wild T.

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