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Old URL: http://home.ezweb.com.au/~kazballea/genetics/html_pages/calculators2.html
Last updated: 27 May, 2007
* Most of the photos on this website originated from "Feathersite",
and "Old English Bantam Club of America" websites, and have been given with
permission by the website administrators.
© Copyright of images belongs to cited photography contributors.
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The following basic probabilities calculator is used by selecting the genotypes for both the male and female parents, then clicking the "calculate" button to produce the offspring genotype probabilities. Mutations are listed by previous categories (ie secondary patterns, diluters, etc) Select heterozygous or homozygous for each mutation (wild type is the default, and is not selected). The Calculator works out percentage probabilities, phenotypes and genotypes for each locus, but doesn't calculate the probabilities in total for selection of alleles from multiple loci. A main photo window (starting with the wildtype male and female) is changed by some selections of mutations. I didn't complete this photo gallery when I extended the mutation list.
Male |
Female |
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Gene Name | Homozygous |
Heterozygous |
Photo | Homozygous |
Heterozygous |
Inheritance Mode |
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E locus |
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Extended Black Birchen Dominant Wheaten Brown |
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eWh/eWh |
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Dominant Incomplete Dominant Incomplete Dominant Recessive |
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Eumelanin Diluters |
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Recessive White |
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Recessive | |||||
Lavender |
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Lav+/lav |
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Lav+/lav | Recessive | |||
Blue/Splash |
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|
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Incomplete Dominant |
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Dominant White Dun Smoky |
Incomplete Dominant |
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Chocolate | Sex- linked Recessive |
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Eumelanin Extenders |
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Melanotic | Incomplete Dominant |
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Charcoal | Recessive | |||||||
Eumelanin Restrictors (Columbian Restrictors) |
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Columbian | Dominant | |||||||
Dark Brown | Incomplete Dominant |
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Pheomelanin Diluters (Gold Diluters) |
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Dilute | Incomplete Dominant |
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Cream | Recessive | |||||||
Champagne Blonde | Dominant | |||||||
Silver | Sex-linked Incomplete Dominant |
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Pheomelanin Enhancers (Red Enhancers) |
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Mahogany | Dominant | |||||||
Secondary Pattern Genes |
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Pattern | Dominant | |||||||
Barring | Sex-Linked Incomplete Dominant |
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Erminette | Incomplete Dominant |
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Mottled | Mo+/mo | Mo+/mo | Recessive | |||||
Skin/Leg Colour |
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Fibromelanosis | Dominant | |||||||
Inhibitor of Dermal | Sex-linked Dominant |
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Yellow Skin | Recessive | |||||||
Sex-Linked Yellow skin |
Sex-linked Recessive |
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* Images used in the above examples are from Feathersite, and the OEGBCA website.
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