Research update
The uncommon retina of the common house mouse

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Abstract

Unlike most mammals, most cones in house mouse retina express two opsins, one sensitive to UV-light, and another sensitive to middle-wavelengths. Is the mouse unique, having a single cone type that normally expresses two opsins? Or is the mouse a typical mammal having two cone types, but a species wide mutation results in co-expression of two opsins?

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