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It is arguably the most widespread ant on the planet. All the ants are born when a queen mates with a male, but the different castes inherit very different sets of genes from their parents. From its native ranges in Asia and Africa, it has spread across six continents and lives in almost nations. Inbreeding increases the risk that individuals will be afflicted by faulty genes. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition. Sign up for the Newsletter Sign Up. By nurturing a new generation of crazy ants in the lab, Pearcy worked out why.

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It is arguably the most widespread ant on the planet.

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The black crazy ant has conquered the world. Its skill became clear in , when Sasha Mikheyev showed that a single queen was responsible for infesting Central Africa , while another individual had set up an invasion of Hawaii. But because the workers never have sex, these mingled genes are never passed on. Males that only have a single set of genes will face the full brunt of any faulty ones, while those that have two copies are feeble and infertile.

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