Genes & Cells

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DNA illustration

Clinical experiments that use DNA-editing methods to alter human germline cells have been put on hold in the United States.

Twins

MATCHED PAIR  Studies of more than 14 million sets of twins indicate that human traits, on average, are dictated equally by genes and environment.

gene stats

SWAPPED  Evolution has held to tried-and-true genes for some processes while allowing innovation in other areas, according to experiments that exchanged yeast genes for human versions. Shown are the percentages of yeast genes in certain biological processes that can be successfully swapped for a human gene. 

Genes & Cells

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