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Genes & Cells

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diabetic mice

MOUSE GUIDES Diabetic mice with mutations in the leptin receptor gene grow much larger and fatter (left) than mice that don’t have the mutations (right). These diabetic, or db/db, mice were first described 50 years ago and have been helping scientists study the disease ever since.

blue chrysanthemum

WHO’S GOT THE BLUES? Researchers in Japan have genetically engineered the first blue chrysanthemum. 

fruit flies

RED FLAG A new genetic technology called gene drives may be easily thwarted, experiments with fruit flies suggest. The red flies shown here inherited a gene drive carrying a red fluorescent protein.

Genes & Cells

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