This Week in PLOS

A study in PLOS Genetics looks at how an individual's genetic background affects the phenotype elicited by various genetic alterations. Using a genome-wide screen for modifiers of a wing-related allele in two Drosophila melanogaster genetic backgrounds, Michigan State University researchers found that almost three-quarters of the modifiers identified had variable effects depending on the broader genetic background.

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This Week in PLOS

This Week in PLOS

This Week in PLOS

This Week in PLOS

This Week in PLOS

This Week in Nature

In PNAS this week: ancestry and admixture in Brazilians, characterization of novel double-stranded RNA mycovirus, and more.

Researchers report that what scents someone picks up can reflect their complement of immune genes.

The New York Times examines ethics and China's push to lead biomedical research.

At her blog, Sally Rockey dives into National Institutes of Health funding data.