På kattefargespråket heter det rød når katten er oransje. Og blå når den er grå.
Skilpaddefargede katter (rød, svart og evt. hvit) er alltid hunnkatter. Røde og hvite katter er nesten alltid hannkatter.
Niobe
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Startet av him 31 svar 6,5k visninger
Madicken skrev:Jeg kjenner flere oransje katter (hvorfor sier du rød?).
http://rod-kattunge.ambientcat.com/bildene/Kj%C3%A6ledyr-Sl%C3%A5ende-Oransje-kattunger-52.jpg
The presence of orange fur arose from a mutation of the non-orange gene on the X-chromosome into the orange gene. The effect of the orange gene is to replace dark colours with orange and to suppress the action of any non-agouti gene. Consequently, the orange colour is never uniformly dark but is always associated with some kind of pattern, although the contrast between the two shades of orange may be slight. Because male cats have only one X-chromosome, the occurrence of the orange gene in a large population equals the faction of male cats that have orange fur. This is commonly around 30% in Britain. On female cats the equivalent orange coat occurs only when the non-orange gene is absent, which requires both X-chromosomes to carry the orange gene. The fraction of such females is 30% of 30% which equals 9%.... Female cats with no orange gene on either X-chromosome form 70% of 70%, i.e. 49% of the female population. The remaining 42% of the female population have the orange gene on one X-chromosome and the non-orange gene on the other. Instead of one gene being dominant and the other recessive, both genes contribute to the colour. Patches of orange fur and of dark fur occur side by side, and the cat is described as a tortoiseshell or 'tortie'. The combination of these two colours, with our without additional white patches, is found on female cats only. The very rare male tortie has two X chromosomes and one Y, and is invariably sterile.
Pelle skrev:Ved død i nær fremtid: Innvollsorm som sørger for at Trump får som fortjent.
Floksa skrev:Men de er høyst sannsynligvis ikke hunnkatter.
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