~~Brief Glossary~~

Agouti:
basic color of striped cats. Derives from the striped coloring of each hair.
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Allele:
is one of the alternative forms of a gene that may occupy the same position on two similar chromosomes
determining alternative hereditary characteristics.
Alleles that derive from the same gene are grouped together in a series
(for example, a series is that which determines black, chocolate, cinnamon).

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Cromosomi:
small bodies formed by DNA and proteins transmitted by parents to children.
They carry genetic material. There are two for each type
(a couple formed by two identical chromosomes called “homologous”).

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Phenotype/Genotype:
phenotype is the physical aspect of an individual, genotype is the genetic constitution.
For example, a phenotype black cat may have two types of genotypes: AA or Aa
Gene:
fundamental unit in genetic heredities: it is a segment of DNA that codifies a function or a characteristic..

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Dominant Gene:
expresses its effect even if it is present with another recessive allele.
A single dominant gene is sufficient for a character to be expressed.

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Recessive Gene:
is unable to be seen if it is not present in both members of the chromosome pair.
To be seen it must be present in two copies


~~Table of Genes~~

Abbreviation Name Dominance Combinations Phenotype
A Agouti dominant AA, Aa The coat is tabby-colored
a non agouti recessive aa il colore del mantello non è tabby
B black dominant BB, Bb Solid black coat In pointed cats
it’s called seal
b chocolate recessive bb, bbl The coat is brown
bl cinnamon recessive blbl The coat is cinammon
C Full color dominant CC, Ccs , Ccb Even color all over the body,
not point.
cb burmese point recessive cbcb Burmese point with seal brown body color. Points are more evident in lighter colors. Points are the same color as the coat but slightly darker.
cs siamese point recessive cscs Coat is white with point: outline muzzle, paws and tail same color as outline, body is a lighter color,
eyes deep blue. .
  point tonkinese recessive cbcs Coat is same color as point but lighter, eyes are sea green
ca blue-eyed albino recessive caca White coat with pale blue eyes.
Should not be mistaken with true
white (W gene).
c albino recessive cc White coat,
eyes lack pigmentation (pink).
D non diluted dominant DD, Dd Even coat, non-diluted: black, cinnamon, red..
d diluted recessive dd Coat with colors deriving from even colors by dilution: black makes blue; chocolate makes lilac; cinnamon makes fawn; red makes cream.
I inhibitor dominant II, Ii Suppresses pigmentation: the color is only partially present on the tip of the hair. The coat has a silvery base.
i non silver recessive ii non silver coat
O red dominant OO [*1], OY [*2], Oo [*3] [*1] females with red coat
[*2] males with red coat
[*3] females with tortoiseshell coat note:
the O gene is linked to the sexual X chromosome
The O gene is a camouflage gene that transforms other colors in red or cream.
o non red recessive oo [*1], OY [*2] [*1] females with non-red coats
[*2] males with non-red coats
Re smooth coat dominant ReRe, Rere non-curly coat
re Devon Rex coat recessive rere Curly or wavy fur
S Bi-color dominant SS [*1], Ss [*2] [*1] White and a solid color.. Van:have color only on the tail and head, sometimes small spots on the body, the rest of the body is white
[*2] bi-color, harlequin: the head, stomach and paws are white, the rest of the body is colored.
s non bi-color recessive ss Coat without white
Ta tabby ticked dominant TaTa [*1], TaT , Tatb [*2] [*1] coat without stripes (for example in Abyssinians)
[*2] thin stripes on paws, muzzle and tail
T tabby mackrel dominante on blotched TT, Ttb tabby mackerel coat, the wild form of the tabby pattern
tb tabby blotched recessive tbtb tabby blotched coat
W White dominant WW, Ww the entire coat is white, the color of the eyes may be: orange, blue, eyes of different colors (uneven)..
w non white recessive ww non white coat

Note:
Some alleles have been left out because they are not found in Devon Rex cats:
Hr/hr, corresponds to the lack of fur, which is found in Sphinx cats.
L7l determines a long or short coat.
Wb/wb determines a golden color in tabbies which has yet to be fully proven.



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