Genotypes of Hamsters

Standardized Syrians
Name Genotype Genes Needed Comments
Single Gene Colors
Golden (Light or Dark) ++ . Wild Color
Black Eyed Cream (BEC) ee . .
Cinnamon pp . .
Dark Gray (DG) dgdg . Prone to spinal deformities
Light Gray (LG) Lglg . Homozygous Lethal
Silver Gray (SG) SgSg . Incomplete Dominant
Yellow ToTo (females)
ToY (males)
. Sex Linked
Rust bb . .
Dark Eared White (DEW) cdcd . .
Black aa . .
Patterned Varieties
Banded BaBa or Baba . .
Dominant Spot (DS) Dsds . Homozygous Lethal
White Bellied or Roan Whwh . Homozygous Lethal producing eyeless whites
Dominant Spot Banded DsdsBa- Dominant Spot and Banded .
Tortoiseshell Toto Yellow Sex Linked
Tortoiseshell and White TotoBa- or TotoDsds Yellow and Banded or Dominant Spot Sex Linked
Coat Types
Short Hair L- . Wild Coat Type
Long Hair ll . .
Satin Sasa . Double satins can be unattractive
Rex rxrx . .
Multi-gene Colors
Beige bbdgdg Rust and Dark Gray .
Blonde Lglgpp Light Gray and Cinnamon .
Honey ppToTo/ppToY Cinnamon and Yellow .
Lilac dgdgpp Dark Gray and Cinnamon .
Smoke Pearl dgdgToTo/dgdgToY Dark Gray and Yellow .
Chocolate aabb Black and Rust .
Red Eyed Cream (REC) eepp Black Eyed Cream and Cinnamon .
Black Eyed Ivory eeLglg or eedgdg Cream and Light or Dark Gray .
Sable eeUU or eeUu Black Eyed Cream and Umbrous .
Flesh Eared White (FEW) cdcdpp DEW and Cinnamon .
Black Eyed White (BEW) eeSgSg or DS combinations Cream and Silver Gray or Dominant Spot with other genes .
Red Eyed Ivory eeLglgpp or dgdgeepp Cream, Light or Dark Gray, and Cinnamon .
Copper eebbppU- Cream, Rust, Cinnamon and Umbrous .
Unstandardized Syrians
Name Genotype Genes Needed Comments
Single Gene Colors
Umbrous UU or Uu . .
Extreme Dilute (ED) cece . .
Patterned Varieties
Recessive Dappled (RD) rdrd . .
Coat Types
Hairless hrhr . Females often have difficulty lactating.
Multi-gene Colors
Yellow Black (YB) aaToTo/aaToY Black and Yellow CHA Guide Standard
Dove aapp Black and Cinnamon CHA Guide Standard
Black Eyed Blonde bbLglg Rust and Light Gray .
Light Gray Pearl LglgToTo/LglgToY Light Gray and Yellow .
Silver Gray Pearl Sg-ToTo/Sg-ToY Silver Gray and Yellow .
Lilac Pearl dgdgppToTo/dgdgppToY Dark Gray, Cinnamon and Yellow .
Mink eeppU- Cream, Cinnamon and Umbrous .
Chocolate Sable bbeeU- Rust, Cream and Umbrous .
Silver Sable eeSg-U- Cream, Silver Gray and Umbrous .
Honey Black aappToTo/aappToY Black, Cinnamon and Yellow .
Blue Mink dgdgeeppU- Dark Grey, Cream, Cinnamon and Umbrous .
Standardized Campbells Dwarf Hamsters
Name Genotype Genes Needed Comments
Single Gene Colors
Normal ++ . Wild Color
Albino cc . .
Argente pp . .
Coat Types
Satin . . .
Multi-gene Colors
Black Eyed White (Dilute Platinum) . . .
Unstandardized Campbells Dwarf Hamsters
Name Genotype Genes Needed Comments
Single Gene Colors
Opal dd . CHA Standard
Black aa . CHA Guide Standard
Black Eyed Argente (BEA) bb . CHA Guide Standard
Moscow (tentative name) not yet assigned . CHA Guide Standard
Dark Gray dgdg . .
Patterned Varieties
Mottled MoMo or Momo . Not known to be in North America, CHA Guide Standard
Ruby Eyed Mottled Mimi . Homozygous Lethal producing eyeless, toothless whites, CHA Guide Standard
Platinum . . Homozygous Lethal except in Dilute Platinums
Multi-gene Colors
Blue aadd Black and Opal CHA Guide Standard
Dove aapp Black and Argente .
Chocolate aabb Black and Black Eyed Argente .
Lilac Fawn bbdd Black Eyed Argente and Opal .
Blue Fawn ddpp Opal and Argente .
Beige bbpp Black Eyed Argente and Argente .
Blue Beige bbddpp Black Eyed Argente, Opal, and Argente .
Dark Beige aabbpp Black, Black Eyed Argente, and Argente .
Red Eyed Lilac aaddpp Black, Opal, and Argente .
Black Eyed Lilac aabbdd Black, Black Eyed Argente, and Opal .
Champagne aabbddpp Black, Black Eyed Argente, Opal, and Argente .
Standardized Winter White Dwarf Hamsters
Name Genotype Genes Needed Comments
Single Gene Colors
Normal ++ . Wild Color
Sapphire . . .
Patterned Varieties
Pearl . . .

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