In addition many butterflies are infected by Wolbachia and infection by the bacteria can lead to the conversion of males into females or the selective killing of males in the egg stage.

One theory holds that the latter trait is the result of the selective killing of 'barkier' dogs in the traditional Central African context because barking could lead enemies to humans' forest encampments.

It is possible that the quieteness of the Basenji is the result of the selective killing of dogs that bark, because barking could lead enemies to humans' forest encampments.

But he also depends in a real sense on Israel's restraint and its willingness, for example, to stop its selective killings of known and wanted militants.

Therefore, preferentially accumulation ROS in cancer cells to achieve selective killing is possible.

Varmint hunting is an American phrase for the selective killing of non-game animals seen as pests.

He said these contributions are enforced by selective killings of people who refuse to pay.

Jozef Pacai, the Mayor of Medzev, said selective killing of Gypsies was the only solution.

In this case, we must also present this situation as one of blatant sexism, or one of selective killings on behalf of a patriarchy, which comes to the same thing.

"Perhaps it lacks the power to eliminate all of us, but seeks to sow dissent by selective killings."