<em>Heliconius cydno </em>Butterflies (2 of 2) (IMAGE)

University of Chicago Medical Center

<em>Heliconius cydno </em>Butterflies (2 of 2)

Caption

Heliconius cydno butterflies have either white or yellow markings on their wings, which is controlled by a single gene.

Credit

Kat Carlton, UChicago

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