Dictionary
Words, grammatical forms and meanings linked to the ontology.
half-sider en · NOUN
Meanings
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A bilateral gynandromorph, an animal that is one sex on the left and another sex on the right.
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An animal that is one color on the left and another on the right.
If the lost choromosome had been the one carrying the blue gene, then a visual half-sider would not have resulted, although the bird would still be a genetic half-sider, one side pure Light Green and the other side Light Green/blue.
1961, Thomas Geoffrey Taylor, Cyril Warner, Genetics for Budgerigar Breeders, page 104:
Forms