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11-21-2008, 03:30 PM | #31 | |
Yorkie Yakker Join Date: Oct 2007 Location: california
Posts: 56
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11-21-2008, 06:35 PM | #32 |
Donating YT 500 Club Member Join Date: Apr 2006 Location: New Zealand
Posts: 944
| Hi ya. I did some biology a Uni and I think that the genetic controls for dog colour are much more complex than simple mendellian genetics (Gregor Mendel - Wikipedia, the free encyclopedia). Mendellian genetics is the simple recessive / dominance genetics we all know about. There's so much we don't know about genetics - I'd be more inclined to think it had something to do with the particular mum and dad than anything else. I don't know how relevant this is but in humans - females' eggs start degrading and by the time a woman is in her forties there can be a higher incidence of genetic defects existing in the eggs. Possibly 7 years old in a yorkie equates to 40 odd in a human (about 1/2 way through the average life span). I'm not a breeder so I wouldn't know. Plastic and rubber are very inert substances. I would be surprised if they reacted with the sperm.
__________________ Dougal (card carrying member of the Teapot Club) & Dixie (aka Evil Wee) Dougal's Facebook Dixie's Facebook |
11-21-2008, 07:07 PM | #34 | |
Slave to My Rug-Rats Donating Member Join Date: Jun 2005 Location: Long Island
Posts: 7,247
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11-21-2008, 07:52 PM | #35 |
Donating YT 500 Club Member | You might be surprised at how many respected breeders have had a genetic anomaly occur in a pup - it does happen. I would be more inclined to think your chocolate pups are not because of a genetic mutation that resulted from AI and plastics.
__________________ ~Ruby, Reno, Razz, & Jack~ |
11-23-2008, 06:17 AM | #36 | |
Donating Senior Yorkie Talker Join Date: Aug 2006 Location: Virginia
Posts: 923
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Maybe some of the chocolate breeders who are more familiar with the chocolate bloodlines, can find a link to where the gene may have come from in your pedigrees? I think that may be the easiest way to start researching? Please e-mail me privately and I'll be happy to give you a few names to start with.
__________________ Sue White www.pinehavenyorkies.com Colorful Yorkshire Terrier Club www.colorfulyorkie.com | |
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