A new study in the American Journal of Human Genetics has performed the first whole-genome linkage scan for synesthesia, which is known to run in families and to affect women more than it does men. Researchers found four candidate regions on chromosomes 2q24, 5q33, 6p12, and 12p12, and revealed that the disease, in which sounds are perceived as colors, is not X-linked as was previously thought.

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Technology Review reports that researchers in the US have used CRISPR to modify a number of human embryos.

Plant researchers plan to sequence some 10,000 samples that represent the major plant clades, ScienceInsider reports.

By introducing genes from butterfly peas and Canterbury bells, researchers in Japan have developed a blue chrysanthemum, according to NPR.

In Nature this week: a Danish reference genome, and more.