But one never expects mutations to take the same place in the natural order; here the design points in other directions.

At first, her mutation takes no real form.

The mutation took a lumbering step toward him.

Further mutations might take place in a kind of arms race between the two organisms.

Among humans a mutation could take thousands of generations to become apparent.

In some cases a limited soft mutation takes place.

The form that this mutation has taken with the Germans is to have turned them into a nation of shopkeep-ers.

A number of restrictions governed whether back mutation took place:

Cinnioglu et al. (2004) suggested the mutation took place only 9,500 years ago.

What hideous mutation has given you the curse of free thought, and taken away your peace of mind forever?