Advances have allowed scientists to manipulate and add genes to a variety of different organism and to induce a range of different effects.

The real innovation lies in a product developed by manipulating genes into a new plant.

"You mean they talk by manipulating genes?"

Vines manipulated genes to create ways of destroying their enemies' brains, rendering them so passive they couldn't even care for themselves.

Proponents of biotechnology argue that mankind has long been manipulating genes through conventional plant and animal breeding.

In reality, although both cases involve manipulating genes, the problems that arise are different.

That achievement helped scientists to map the location of genes in mammals and to develop techniques for manipulating genes.

Scientists can manipulate genes to clone a sheep.

Take the issue of raising intelligence by manipulating genes in test-tube embryos.

Molecular genetics studies allow many different types of behavioral traits to be examined by manipulating genes and studying the effect of the manipulation.