This Week in Science

MIT's Angelika Amon and her colleagues report in Science this week that aneuploidy leads to genomic instability in yeast. The researchers studied 13 haploid Saccharomyces cerevisiae strains that had extra copies of a single chromosome, and whether those strains had segregation fidelity. Compared to a control, those strains had an increased rate of mis-segregation. Amon et al.

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CNN reports that researchers have tied a new variant to opioid addiction risk.

Organoids derived from patients' tumors may help determine what chemotherapy treatment patients would benefit from, according to New Scientist.

An initiative from GenomeAsia 100K hopes to increase the number of South Asians in genetic research, according to NBC News.

In Science this week: genomic analysis of ancient and modern horses indicates population turnover, and more.