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Camarattery - Colorado Rat Breeder

Website Updated 8.19.2017

Genetics

As posted on the rat genetic group on facebook.  By Litterattery.

 

Selfs (aa)

 

Black - aa - darker color and less silvering or rusting is achieved by fewer dilutes

Beige - aarr or aabbrr - chocolate gives a more delicate body color without changing eye color

Champaign - aapp - can be aammrr or aamomorr but eyes are darker

Blue - aagg - fewer dilutes give a darker blue

Sky Blue - aagg+unknown modifier - lighter than blue darker than powder blue

Powder Blue - aagg+unknown modifier - lightest of the blues but not as pale as Russian silver or Platinum

Chocolate - aabb - a black carrying lots of dilute can appear chocolate

Cocoa - aabbmm or aabbmomo - also noted as being aabbRr

Russian Blue - aarbrb - fewer dilutes gives a darker blue

Mink - aamm or aamomo - m=classic mink(UK mink) mo=mock mink(US mink)

*Havana - aammRr or aamomoRr

Plantinum - aaggmm+modifier or aaggmomo+modifier - usually from a powder blue or sky blue line - can als0 be aaggrr but will have ruby eyes

Blue-Beige - aarbrbrr per show standards - aaggrr is paler without heathering

Russian Dove - aarbrbmm - aarbrbmomo - aarbrbbb

Lilac - aabbggRr somethimes also mm or Mm - depends on club

Russian Silver - aaggrbrb

*Silver - aaggpp

Black-eyed White - H(e)H(e) breed for more white on a black eyed color

Pink-eyed White - cc (Albino) or H(e)H(e) on a ped color or for some groups 3+ dilutes

 

 

Any Other Color

 

Agouti - Aa or AA - A-Rr is supposed to give a more desirable shade - other dilutes make this color to cold or to muddy

Amber - A-pp - can be A-mmrr or A-momorr

Blue Agouti - A-gg - fewer dilutes gives a better color

Chinchilla - A- - with two copies of the chinchilla spotting gene and at least one copy of the fading yellow gene - no known self analog

Cinnamon - A-mm or A-momo

Cinnamon Pearl - A-mmPepe or A-momoPepe

Pearl - aammPepee or aamomoPepe

Lynx - A-bbggRr sometimes also mm or Mm - depends on club

Fawn - A-rr - not recommended to carry bb since it will lighten the body color

Russian Blue Agouti - A-rbrb - fewer dilutes gives a better color

Any Other Color Pattern

Seal Point Siamese - aac(h)c(h) can be A-

Blue Point Siamese - add gg

Russian Blue Point Siamese - add rbrb

*Mink Point Siames - add mm or momo

Himalayan - aac(h)c can be A-

*Blue Himalayan - add gg

*Russian Blue Himalayan - add rbrb

*Mink Himalayan - add mm or momo

Burmese - aac(h)c(h)Bu- can also be on a Himalayan or Albino but points will disappear

Wheaten - Aac(h)c(h)Bu-

Russian Blue Burmese - add rbrb to Burmese

Russian Blue Agouti Burmese - add rbrb to Wheaton

Merle - aamm or aamomo plus unknown modifier

*Black-eyed Siamese and Himalayans - any Siamese or Himalayan with at lease one copy of the Be gene

*Ivory - possibly a PEW plus at least one copy of the Be gene

 

Silvered

At this point Silvered rats are only selfs (aa) and are shown in black, blue, chocolate, fawn, lilac and mink. It is caused buy unknown modifiers but could be technically bred in any color.

Marked -these marking can be on any of the above mentioned colors

English Irish

Irish - Hh(i)

Berkshire - Hh or HH(re) or Hh(e)

Essex - HH(ro)

Variegated -

Blaze -

Dalmation

Hooded - hh

Bareback - hh+unknown modifier or aother type of h(-) gene

Capped - h(n)h(n) or h(e)h(e) - possibly h(n)h(e)

Masked - capped breed for more white - possibly a modifier

*Down Under - technically any marking gene plus the downunder modifier

*Roan - HHroro - no other marking genes
 

Odd eyed - can be in any color or marking above - genetics is unknown