Thank You, Viruses

Viruses have affected the development of several mammalian genomes, says Carl Zimmer at The Loom. In 2000, researchers found that the human gene syncytin — which is necessary for the gestation of offspring — may have come from a virus. "Viruses have insinuated themselves into the genome of our ancestors for hundreds of millions of years," Zimmer says. "They typically have gotten there by infecting eggs or sperm, inserting their own DNA into ours.

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York University researchers find genomic evidence of inbreeding in the yellow-banded bumblebee, according to Reuters.

In its survey of US adults, the Pew Research Center finds that views on the genetic engineering of animals depend on why it's done.

The Scientist reports agricultural researchers are working on a gene-stacking tool.

In Nature this week: statistical method for overcoming case-control imbalance issues, and more.