What makes a calico cat?

lehn at islet.medsch.wisc.edu lehn at islet.medsch.wisc.edu
Tue Jun 14 13:38:57 EST 1994


In article <2tiqrk$7kb at jaws.cs.hmc.edu>, <purves at jarthur.cs.hmc.edu> writes:
> Path: 
> >PS -- You might even comment on how a male calico cat might come about, if
> >you want to enlighten me on that score as well! 
> 
> A male calico cat doesn't come about... the male is hemizygous for this
> locus and will express only the color determined by the allele it
> carries on its single X chromosome.

I saw where someone did have a male calico cat.  Turned out it was
XXY.  (I reckon this wasn't a "TRUE" male cat though since it was
sterile.)

Don



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