A genetic mechanism for sexual dichromatism in birds
Abstract
Sexual dichromatism, a difference in coloration between males and females, may be due to sexual selection for ornamentation and mate choice. Here, we show that carotenoid-based dichromatism in mosaic canaries, a hybrid phenotype that arises in offspring of the sexually dichromatic red siskin and monochromatic canaries, is controlled by the gene that encodes the carotenoid-cleaving enzyme β-carotene oxygenase 2 (BCO2). Dichromatism in mosaic...
Paper Details
Title
A genetic mechanism for sexual dichromatism in birds
Published Date
Jun 12, 2020
Journal
Volume
368
Issue
6496
Pages
1270 - 1274
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