Genes & Cells

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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. 

eyelid

EYE-OPENER  Normal skin is a patchwork of cells, many of which carry cancer-driving mutations, a new study finds. In a representation of normal skin, colors indicate the mutated genes and circles reflect the size of skin patches from healthy eyelids carrying the mutation.

wolf fossil jaw

ANCIENT RIFT  DNA from a wolf (fossil jaw shown) that lived in Siberia some 35,000 years ago indicates dogs and wolves split earlier than thought.

Genes & Cells

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