This Week in Nature

In this week's Nature Genetics, an international team of researchers presents an analysis into the genomic influence of cattle on Mongolian yaks. The yak has adapted to high altitude living and, at lower elevations, is commonly hybridized with cattle. Hybrid males are sterile, which prevents the establishment of a stable hybrid population, but not a limited introgression after backcrossing several generations of female hybrids to male yaks.

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Two researchers have found that behavioral genetic defenses in criminal cases don't tend to affect outcomes, according to Popular Science.

Researchers report that while host genetics influence the oral microbiome, they don't appear to affect cavity-causing microbes, the Economist says.

Pandas' gut microbiomes change as what they eat changes with the seasons, writes Discover's Inkfish blog.

In PLOS this week: comparative genomic study of malaria-linked macaque parasite, search for apple root reference genes, and more.