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… chromosomes of mammals is, for the first time, seen in a plant. The Science Sex in plants can be befuddling. Most … of XX. But, like some plant and songbird species, the system in shrub willow is flipped: females are heterogametic. To avoid confusion with the mammalian system, the sex chromosomes are called Z and W instead of X …

… Congratulations to Susannah Tringe , one of eight scientists and engineers who … was recognized for “advances in sequence-based studies of microbial assemblies, revealing the roles of microbial … director of Berkeley Lab’s Environmental Genomics and Systems Biology Division, and JGI’s deputy for user …