Position of a 'green-red' hybrid gene in the visual pigment array determines colour-vision phenotype
Deutan colour-vision defects comprise deuteranomaly (anomalous trichromatic colour vision) and the more severe and less common deuteranopia (dichromatic colour vision). Deuteranomaly occurs if a ...
Megan K. Stack is a contributing Opinion writer. She has been a correspondent in China, Russia, Egypt, Israel, Afghanistan and the U.S.-Mexico border area. Her first book, a narrative account of the ...
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