[ SHOWGSD-L ] Re: Coat color question
- From: Becky McElroy <zarniwoop1973@xxxxxxxxx>
- To: showgsd-l@xxxxxxxxxxxxx
- Date: Tue, 14 Nov 2006 12:16:14 -0800 (PST)
Why aren't sables the majority, since sable is
dominant to B&T? Because a dominant gene is easily
selectable against. Let's say Joe Blow didn't care
for sables. If he kept the non-sables that he had,
and bred them to non-sables, he got NO sables.
Dominant doesn't mean predominant.
I think that the ticking on most of our black and tans
is probably it's own modifier (read Sponenberg's books
on color? Talk about making your head spin!), not a
color or pattern. JMO.
Remember when you're talking about chance, that each
and every puppy has it's own chance to be sable or
non-sable, in a breeding involving non-known
homozygous sable. So, even if a litter of 12 by your
sable stud dog all ended up being sable, that doesn't
mean he will only produce sable. Even if both his
parents were sable. He MAY still be heterozygous, and
you might be one of those people who do well at the
casinos.
Becky McElroy
>
> My first question when I began studying the genetics
> and colors was: If
> SABLE is dominant (which every geneticist claims),
> then why are the majority
> of GSD's (especially in the US) black and tan with
> the saddle pattern?
>
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