A couple of genetics questions

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A couple of genetics questions

Post by Phay » Sun, 03 May 1998 04:00:00



1) Has anyone ever seen a Peruvian or Sheltie with agouti coloration?  Or is
the agouti pattern tied to shorthair genes?

2) I recently learned that in the UK the Teddy variety is called Rex.  Is this
because they bear a passing resemblance to Rex rabbits, or do they carry a
similar genetic mutation?  It is my understanding that all Rexes are derived
from a litter of rabbits in France, born near the turn of the century, who's
mutation was that they only possessed the short, dense undercoats, not the
longer hairs in their fur.  My parents' bunny is a miniature Rex, and we
noticed years ago that his whiskers were very short, kind of curled and
stunted.  Brillo, my Teddy pig, has whiskers like this also.  His hair is
shorter than Schmutz's (a shorthair), but it's hard to say if it's denser since
it is so bristly.

Can anyone enlighten me?  :-D

Faye.

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A couple of genetics questions

Post by Hele » Mon, 04 May 1998 04:00:00


Hi

I can't answer your first question, although I may be able to soon, because
I have a cream Sheltie (Silky in the US) pregnant by a golden agouti male,
so I'll see what she has!

Rex guinea pigs have very similar coats to US Teddies; they aren't like Rex
rabbits.  Rex and Teddy pigs are actually different genetically, but look
pretty much the same, i.e. have the 'wiry', crinkly coat.

Hope this helps!

Helen
--

 
 
 

A couple of genetics questions

Post by <salservi.. » Fri, 08 May 1998 04:00:00


Yes, peruvians and shelties (silkies her in the U.S.) can have the agouti
pattern. With the long hair breeds the tips can quite often go missing so
the face is usually the only place that will still show it after a while
unless the hair is wrapped to protect it. The rex and the teddy are two
different breeds and the genetics is different. The rex was used to breed
the texel rather than the teddy because the curl was better with the rex.

Quote:

>1) Has anyone ever seen a Peruvian or Sheltie with agouti coloration?  Or
is
>the agouti pattern tied to shorthair genes?

>2) I recently learned that in the UK the Teddy variety is called Rex.  Is
this
>because they bear a passing resemblance to Rex rabbits, or do they carry a
>similar genetic mutation?  It is my understanding that all Rexes are
derived
>from a litter of rabbits in France, born near the turn of the century,
who's
>mutation was that they only possessed the short, dense undercoats, not the
>longer hairs in their fur.  My parents' bunny is a miniature Rex, and we
>noticed years ago that his whiskers were very short, kind of curled and
>stunted.  Brillo, my Teddy pig, has whiskers like this also.  His hair is
>shorter than Schmutz's (a shorthair), but it's hard to say if it's denser
since
>it is so bristly.

>Can anyone enlighten me?  :-D

>Faye.

>This email address is SPAM-blocked. Unless you are on my "white list" (you
know
>who you are), direct replies will bounce.