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Genetics and colours

 

 

 

Most chinchilla colours found at the moment are in colour groups which can depend on a dominant gene, but some colours can be carried by a recessive gene. Unfortunately the number of different coloured chinchillas that are available in the United Kingdom is not as great as those in the United States, but recently some new animals have entered the country.

Some colours are not possible to breed, like a homozygous white which has a lethal factor. If this is so, if you crossed two whites an average of 1/4 of the eggs fertilised would not develop into young. Of the 3/4 of the young that survive 1/4 of those would be standard in colour, and the other 2/4 of the young would be heterozygous, like their parents.

© Michael Dewhurst


If you want to know about chinchilla’s genetics more in detail, read a much detailed description at
Treasured pets.

 

Silverfall Chinchilla has created a fabulous means of determining what kits might be produced based on the colouring of the male and of the female.

© Silverfall chinchilla

 

For some colour examples, visit Chinchilla farben.

 

The basic colour genes are on the first table. There is the name, the abbreviation used, and a note if it is a dominant or recessive gene.

Base Colour

Abbreviation

Genetic Trait

Beige

Bg

Dominant

Ebony

Eb

Weakly Dominant

Sapphire

S

Recessive

Standard

St

Dominant

Sullivan Beige

SB

Recessive

Touch of Velvet

TOV

Dominant/Lethal

Violet

V

Recessive

Wellman Beige

WB

Recessive

White

Wht

Dominant/Lethal

 

Here are several examples of how these basic genes can combine to create the different colours seen in chinchillas.

Chinchilla Colour

Basic Genetic Makeup

Black Velvet

St+TOV

Brown Velvet

Bg+TOV

Hetero Beige

Bg+St

Hetero Ebony

Eb+St

Homo Beige

Bg+Bg

Homo Ebony

Eb+Eb

Pastel White

Bg+Eb+Wht

Pink White

Bg+Wht

Sapphire

S+S

Solid Sapphire

S+S+Eb

Solid Violet

V+V+Eb

Standard

St+St

Tan/Pastel

Eb+Bg

TOV Ebony

Eb+TOV

TOV Sapphire

S+S+TOV

TOV Tan

Eb+Bg+TOV

TOV Violet

V+V+TOV

TOV White Ebony

Eb+Wht+TOV

Violet

V+V

White Ebony

Eb+Wht

White/Mosaic/Silver

Wht+St

White Sapphire

Wht+S+S

White Violet

Wht+V+V

 

© Nicholle Stoller - ChinCentral

 

See also

Chinchilla villa