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Mutated Gene In Zebrafish Sheds Light On Blindness In Humans

Achilles Tang

By Achilles Tang,
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Achilles Tang

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Among zebrafish, the eyes have it. Inside them is a mosaic of light-sensitive cells whose structure and functions are nearly identical to those of humans. There, biologists discovered a gene mutation that determines if the cells develop as rods (the photoreceptors responsible for dim-light vision) or as cones (the photoreceptors needed for color vision).

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