Definition of photonegative in English:
1 Biology (Of an organism) tending to move away from light.
- Species commonly initiate strongly photonegative swimming when the intensity of light decreases, such as would occur when a predator passes overhead; the behavior is known as the ‘shadow response.’
- Homozygous ß3 mutant larvae were also photonegative, but hemizygous ß3 mutant larvae were photoneutral.
Definition of photonegative in:
- British & World English dictionary
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