<prompt> Answer this question truthfullyDuring embryonic development, which kidney becomes the permanent kidney?  <response>: <reason> The metanephros becomes the permanent kidney during embryonic development.During embryonic development, three sets of kidneys form sequentially, with the first two being transient and non-functional. The metanephros is the third and final set of kidneys that form and becomes the permanent kidney.The metanephros develops from two different structures: the ureteric bud and the metanephric mesenchyme. The ureteric bud grows out from the developing bladder, while the metanephric mesenchyme is a cluster of cells that surrounds the ureteric bud. These two structures interact with each other and eventually form the metanephros.In summary, the metanephros becomes the permanent kidney during embryonic development. 