Cross sections of corn roots (IMAGE)
Caption
Cross sections of corn roots showing genetic variation for aerenchyma formation, which converts living cells to air space. Now that researchers have found the gene associated with the phenotype, it can be a plant-breeding target.
Credit
Tania Galindo Castaneda/Penn State
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Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND