M & M  Chinchillas
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Basic Genetics
 
Firstly we are to describe the appearance of chinchillas that are going to be discussed later on.
     
SS = Standard coloring: Fur is light or dark grey. If you examine it closely and blow into it, you see three parts on each fur. The lower one - usually dark grey - is the biggest one, followed by white stripe and the third part is with no clear boundary. This one makes the actual color. The belly of chinchilla is white, eyes are black, ears grey and lower face of tail is grey or black.
     
Sapphire color mutation is recessive, can usually be found in two types: homozygous and heterozygous.
     
ss = Homozygous Larsen Sapphire: Fur is blue/blue-grey, belly is snow-white, eyes are black or dark blue, ears are pink-light blue-light grey. When fur blown into: the lower part of fur is light grey-blue, followed by white stripe and the ends of fur are blue-grey.
     
Ss = Heterozygous Larsen Sapphire = Standard Sapphire Carrier: The animal is alike Standard one but is a carrier of sapphire gene.
     

      Possible ways of crossbreeding:
    
     
s s
S Ss Ss
S Ss Ss
 




100 % Standard Sapphire Carrier individuals


s S
s ss Ss
S Ss SS




25 % Sapphire individuals

50 % Standard Sapphire Carrier individuals

25 % Standard individuals


s s
s ss ss
S Ss Ss
 



50 % Sapphire individuals



50 % Standard Sapphire Carrier individuals
     
     
Violet color mutation is also recessive, can usually be found in two types: homozygous and heterozygous.
     
vv = Homozygous Sullivan Violet: Fur is on an even keel violet-gray/violet-blue, belly is snow-white, eyes are black and ears violet-gray. When fur blown into: the lower part of fur is violet-gray, followed by white stripe and the ends of fur are violet-blue.
     
Sv = Heterozygous Sullivan Violet = Standard Violet Carrier: The animal is alike Standard one but is a carrier of violet gene.
     
      Note: Into previous charts we can place Violet color instead of Sapphire – resultant percentage color representation is identical.
     
     
The Royal Blue color mutation is rarer than Sapphire because of its more difficult crossbreeding - see below.
     
Let’s have a look at the coloring more closely.
     
Black Velvet: This color type is predominant (not like the Sapphire and Violet ones). The sides of body are grey, ridge and head are shiny black. Belly is white, eyes are black, ears grey. Characteristic feature: there is a darker black stripe on front legs, a white ring about ears, when fur on back blown into a single fur has just two parts.
     
Black Velvet Sapphire Carrier: The animal is alike Black Velvet one but is a carrier of sapphire gene.
     
Royal Blue = TOV Sapphire: Fur is blue-grey, head and ridge are darker, belly is snow-white, eyes are black, ears are light blue-pink. Characteristic feature: there is a darker stripe on front legs, a white ring about ears, when fur on back blown into a single fur has just two parts.

     
     
      Possible ways of crossbreeding:
     
     
Sapphire
x
Black Velvet
   ●  50% Black Velvet Sapphire Carriers
   ●  50% Standard Sapphire Carriers
Sapphire
x
Black Velvet Sapphire Carrier
   ●  25% Royal Blues
   ●  25% Sapphires 
   ●  25% Black Velvet Sapphire Carriers
   ●  25% Standard Sapphire Carriers

Royal Blue
x
Standard
   ●  50% Black Velvet Sapphire Carriers
   ●  50% Standard Sapphire Carriers
Royal Blue
x
Standard Sapphire Carrier
   ●  25% Royal Blues
   ●  25% Sapphires 
   ●  25% Black Velvet Sapphire Carriers
   ●  25% Standard Sapphire Carriers
   
   
     
Note: When we crossbreed Violet chinchilla with Black Velvet Violet Carrier individual – in this case can born 25% of offspring in color mutation Violet Velvet = TOV Violet: Fur is blue-grey with violet polish, ridge and head are darker, belly is snow-white, eyes are black, ears violet-grey. Characteristic feature: there is a darker stripe on front legs (color of this stripe is identical as color on ridge) and a white ring about ears. When fur blown into: on the head and ridge there is the lower part of fur violet-blue, not followed by white stripe, the ends of fur are dark violet-gray; at the sides there is the lower part of fur grey, followed by white stripe, the ends of fur are violet-grey.
     
     
We must say, just some of many possible combinations have been listed here. There are some more combinations such as: Pink White Sapphire, Beige Afro Violet Velvet, White Blue Diamond etc.
     

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