The health of one mouse can be influenced by the genetic makeup of its cage mate, according to a study out in PLOS Genetics yesterday.

Researchers led by European Bioinformatics Institute's Oliver Stegle examined how the genotypes of one individual might influence the phenotype of another individual. Using lab mice, they studied how these social genetic effects contribute to 100 organismal phenotypes and genome-wide gene expression.

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Technology Review reports that 2017 was the year of consumer genetic testing and that it could spur new analysis companies.

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