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Green

Green

Green body is a sex-linked trait that is co-dominant to the pastel factor.
Males can be single factor (SF) or double factor (DF). Females can only be single factor (SF).

The formulas for green used in this calculator are:
- Green male: Zdil+/Zdil+
- Green female: Zdil+/W

Yellow (Dilute)

Yellow (Dilute)

Yellow is a co-dominant trait and is a sex-linked mutation.
Males can be single factor (SF) and double factor (DF). The females can only be single factor (SF). When the female has a yellow factor she will look the same as a DF yellow male.
At a SF yellow male the black eumelanin is reduced with 50%. At a DF yellow male this is 80-90%. When the reduction of the eumelanin is (almost) 100%, then there will be the yellow Gouldian finch. These birds have the same formula as the DF yellow male or SF yellow female but they are named yellow combined with white breast factor.

The formulas for yellow used in this calculator are:
- SF yellow male: Zdil+/Zdil
- SF yellow male: Zdil/Zdil+
- DF yellow male: Zdil/Zdil
- SF yellow female: Zdil/W

As you can see, the SF yellow formula is used twice. Phenotypically they are the same but they can give different offspring when crossed with another sex-linked mutation. More information can be found under the menu item Sex-linked.

Blue

Blauw

The blue body is an autosomal recessive trait.
At a blue body the carotenoid is reduced with 100%. When male or female has on one of the two chromosomes a blue factor they will not have a blue body but they are carrier (split). When they have a blue factor on both chromosomes they will have a blue body.
The blue factor is on the the same multiple mutation series as the aqua factor. Aqua is dominant over blue. The order of dominance is Green - Aqua - Blue. This means that green can be split for aqua or blue and aqua can be split for blue.
The blue factor affect the red and yellow color. This changes the yellow belly of the green body to a beige color and changes the red head color and orange head color to beige till salmon.

The formulas for blue used in this calculator are:
- Blue male: bl/bl
- Blue female: bl/bl
- Split blue male: bl+/bl
- Split blue female: bl+/bl
- Aqua split blue male: blaq/bl
- Aqua split blue female: blaq/bl

Aqua (Seagreen)

Aqua (Seagreen)

The aqua body is an autosomal recessive trait.
At an aqua body the carotenoid is reduced with 50%. When male or female has on one of the two chromosomes an aqua factor they will not have an aqua body but they are carrier (split). When they have an aqua factor on both chromosomes they will have an aqua body.
The aqua factor is on the the same multiple mutation series as the blue factor. Aqua is dominant over blue. The order of dominance is Green - Aqua - Blue. This means that green can be split for aqua or blue and aqua can be split for blue.

The formulas for aqua used in this calculator are:
- Aqua male: blaq/blaq
- Aqua female: blaq/blaq
- Aqua split blue male: blaq/bl
- Aqua split blue female: blaq/bl
- Split aqua male: bl+/blaq
- Split aqua female: bl+/blaq

Ivory

Ivory

Ivory is a recessive and a sex-linked trait.
At an ivory body the carotenoid is reduced with 50%. When a male has on one of the two chromosomes an ivory factor they will not have an ivory body but they are carrier (split). When he has on both chromosomes an ivory he will have an ivory body.
When a female has one ivory factor she looks the same as an ivory male.

The formulas for ivory used in this calculator are:
- Ivory male: Ziv/Ziv
- Ivory female: Ziv/W
- Split Ivory male: Ziv+/Ziv
- Split Ivory male: Ziv/Ziv+

As you can see, the Split Ivory male formula is used twice. Phenotypically they are the same but they can give different offspring when crossed with another sex-linked mutation. More information can be found under the menu item Sex-linked.

Cinnamon

Cinnamon

Cinnamon is a recessive and a sex-linked trait.
At a cinnamon body the carotenoid is reduced with 50%. When a male has on one of the two chromosomes an cinnamon factor they will not have an cinnamon body but they are carrier (split). When he has on both chromosomes an cinnamon he will have an cinnamon body.
When a female has one cinnamon factor she looks the same as an cinnamon male.

The formulas for cinnamon used in this calculator are:
- Cinnamon male: Zcin/Zcin
- Cinnamon female: Zcin/W
- Split Cinnamon male: Zcin+/Zcin
- Split Cinnamon male: Zcin+/Zcin

As you can see, the Split Cinnamon male formula is used twice. Phenotypically they are the same but they can give different offspring when crossed with another sex-linked mutation. More information can be found under the menu item Sex-linked.