This Week in PLoS

In PLoS ONE this week, Eric Schadt and his colleagues quantified the extent of population stratification in Caucasian American, African American, and Hispanic American populations. After genotyping and measuring gene expression in liver tissue from nearly 1,100 individuals, the team came up with a method for detecting this population stratification and also examined how it affects expression quantitative trait loci in genome-wide association studies.

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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.