Summary
Samenvatting Rassenleer Kat
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- Institution
Samenvatting van de kat voor het vak rassenleer. Er staat telkens een foto, het ras, belangrijke kenmerken, eventueel het land.
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kat1 Inleiding
Internationale organisatie:
Fédération Internationale Feline
Aangesloten organisaties volgen dezelfde regels betreft rasstandaard, shows, wetten, …
2 Enkele elementen van uitwendige beoordeling van
katten
2.1 Kleuren
Pigmentkorrels = melaninen
Basiskleur Verdunt (minder melaninen)
Eumelanine → zwart Zwart → blauw
o Mutatie → chocolade (donkerder) o Chocolate → lilac
o Mutatie → kaneelkleur (cinnamon) o Cinnamon → fawn
Phaeomelaninen → rood (Garfield) Rood → crème
Basiskleuren
Verdunt
Tabby (getijgerd)
Elke kat draagt gen voor bepaald tabbypatroon
Tabbypatroon komt tot uiting enkel als kat Agoutigen draagt
Non agoutikat = effen haarkleed
Agoutikat = bepaald tabbypatroon
Dominant agouti allel → A
Recessief non agouti allel → a
Genotype aa → Fenotype effen gekleurd
Genotype Aa of AA → Fenotype patroon tabby
Ticked = gespikkeld = abessijn
o 2-3 donkere banden per haar
o Bv. Abessijn, Somali kat
1
, kat
Getijgerd = gestreept = makreel
o Fijne evenwijdige strepen
o Cirkelvormig rond romp, poten, staart
o Aalstreep
Gemarmerd = blotched = puistig = gewone tabby
o Bredere, kronkelige, spiraalvormige figuren
o Gevlekt uitzicht
o Bredere aalstreep
Gevlekt = spotted
o Kleinere vlekken op denkbeeldige lijnen
o Alsof strepen onderbroken zijn
Schildpad = tortie = tortoiseshell
o Eumelanine + phaeomelanine
o Rood & zwart (creme & blauw)
o Rood & chocolade (creme & lilac)
o Rood & cinnamon (creme & fawn)
o Rode kleur → niet genoemd
Tabby + tortie = tortietabby = tobby
o Tabby + tortie
o Tabby → in eumelaninekleuren (zwart, blauw, cinnamon, fawn,
chocolate, lilac)
Calico-kat
o Zwart tortie met wit
o Nikki
Lapjeskat
o Tortie met wit
Genetica
Kat: 19 chromosomen
Gen haarkleur → X-chromosoom
o Genotype XR → X-chromosoom met allel rood
o Genotype XZ → X-chromosoom met allel zwart
Kater: XY (1 kleur)
o XR Y → fenotype rode haarkleur
o XZ Y → fenotype zwarte (of variant) haarkleur
Kattin: XX
2
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