Gene
Harlequin (ej), also called Japanese brindling, is an allele of the rabbit extension gene, MC1R. It gives a patchwork of dark and orange areas, the harlequin, and with English spotting the tricolor. It is recessive to normal extension (E) and dominant over non-extension (e), and rabbits with one ej and one e copy tend to be yellower.
Harlequin (ej) is part of the Extension series: Dominant Black (ED), Steel (Es), Normal Extension (E), Harlequin (ej), Non-extension (e). It shows over Non-extension (e) and is hidden by Dominant Black (ED), Steel (Es) and Normal Extension (E).
Recessive to normal extension, partly dominant over non-extension: ej/e rabbits are yellower than ej/ej, and E/ej agouti rabbits can show black smudges.
Illustrations of typical animals, checked against the sources below. Not photos of DNA-tested animals.
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Guides and articles for Harlequin (ej) rabbit owners.
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