Calico cats
Un gato calicó es un gato doméstico que tiene una coloración característica, el pelaje blanco muestra manchas marrón-anaranjado y negras.Los gatos que presentan la característica calicó son casi siempre hembras, que en cada una de sus células tienen dos cromosomas X.
[1] En los gatos, el gen para el color naranja está ubicado en el cromosoma X y puede tener un alelo parael color negro.La única forma en que ambos alelos se den juntos y combinados con blanco es que haya dos cromosomas X. Aproximadamente sólo uno de cada 3000 tricolores será macho y sólo uno de cada 10.000 será un macho fértil —datos aproximados—.Los machos pueden ser tricolores por varios motivos distintos:
A calico cat is a domestic cat that has a characteristic
coloration, the white fur shows brown-orange and black spots. Cats that have the calico characteristic are almost always females, which in each of their cells have two X chromosomes.
[1] In cats, the gene for the color orange is located on the X chromosome and may have an allele for the color black. The only way in which both alleles occur together and combined with white is that there are two X chromosomes. Approximately only one in 3000 tricolor will be male and only one in 10,000 will be a fertile male - approximate data. The males can be tricolors for several different reasons:
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