mutation and clonal variation造句

例句与造句

1. Like many grape varieties with a long history, the Barbera vine has seen mutation and clonal variation arise with different clones of the variety found in Piedmont, Lombardy, Emilia-Romagna and the Mezzogiorno.
2. It's difficult to find mutation and clonal variation in a sentence. 用mutation and clonal variation造句挺难的