[ SHOWGSD-L ] Re: no coat factor / predictability
- From: Pinehillgsds@xxxxxxx
- To: mary-anne.boulet@xxxxxxxxxxxx, showgsd-l@xxxxxxxxxxxxx
- Date: Tue, 21 Nov 2006 13:44:56 EST
In a message dated 11/21/2006 12:16:26 P.M. Eastern Standard Time,
mary-anne.boulet@xxxxxxxxxxxx writes:
So two short coated can produce long coats but
it's possible to breed to a long coated bitch and get nothing but short
coats? What happens if it's a long coated male bred to a short coated
bitch? Is there any way to tell in the genealogy if you're going to get
long coats?
Mary-Anne
"Coats" are one of the easiest things to understand. A puppy will get one of
two possible genes from each parent. Let's call a long coat "CC". A puppy
will get a "C" from that parent. That's all they can get.
A short coated dog CAN be Cc OR cc, let's let "c" = a short or normal coat.
If a coated dog (CC) is bred to a short or normal coated dog with NO long
coat gene (cc), there's no way the coat factor will express itself, however,
each and every individual puppy from that breeding could produce coats since
it got "C" from the coated parent.
If you take a puppy from above, a short coated dog who is recessive for
producing coats and breed it to a coat, Cc x CC, statistically, you should
have
half coats. (Each puppy will get one "C" and have a 50-50% shot at either a
"C" or a "c"). The half who don't express the coat factor could produce coats
since every puppy in the litter will receive a "C" from the coated parent.
If you breed two dogs who carry the factor but don't express it, Cc x Cc,
statistically, you should have 25% coats (CC), 50% recessive (Cc) and 25% who
don't carry the long coat gene (cc).
Can you look at a pedigree and tell? Usually. Most people know if there
are coats in the background and/or if litter mates have produced coats. That's
not AS certain, but given the last example above, statistically 75% of those
puppies could produce coats, so it's a pretty good indication.
Kathy
member GSDCA, DVGSDC
three generations of Dual Titled TC'd Champions live here!
visit _Pine Hill German Shepherd Dogs_
(http://www.geocities.com/pinehillgsds/)
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