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In Science this week, the University of Michigan, Ann Arbor's Patricia Wittkopp is first author on a paper that found that genes that code for color in fruit flies have an ancestral polymorphism. Two genes, ebony and tan, contribute to body color changes both within Drosophila americana and between this species and D. novamexicana, as they found that after sequencing multiple isolates, some strains of D.

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NPR reports that researchers have developed chimeric embryos as part of work toward growing human organs in animals for organ transplants.

According to the Washington Post, the Biden Administration is set to make changes to federal restrictions on fetal tissue research.

In Science this week: approach to isolated trace DNA from archaic humans from sediments, and more.

Texas Monthly looks into the DNA Zoo being collected by Baylor College of Medicine researchers.