Researchers from University of Massachusetts Medical School and Genome Project Solutions present on the draft genome of the monarch butterfly, Danaus plexippus, in Cell this week. Monarch butterflies migrate each fall from North America to central Mexico, and the researchers focus their analyses on gene families in the 273 Mb genome likely to be involved in seasonal migration.

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Polygamy amplified a rare genetic disease in area near Arizona-Utah border, BBC Future reports.

Genetic ancestry testing led one woman to learn that her father and another baby boy had been switched at birth, the Washington Post reports.

Simple de-identification methods can protect information in a database from attackers, a new study suggests.

In Science this week: approach to visualize chromatin structure in nuclei, and more.