half-sider
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[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Heteropteryx_dilatata_0034b_L.D.jpg/300px-Heteropteryx_dilatata_0034b_L.D.jpg)
Noun
[edit]half-sider (plural half-siders)
- A bilateral gynandromorph, an animal that is one sex on the left and another sex on the right.
- An animal that is one color on the left and another on the right.
- 1961, Thomas Geoffrey Taylor, Cyril Warner, Genetics for Budgerigar Breeders, page 104:
- 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.