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Leonca β€” Guessing Parental Genotype Using Litter Phenotype

Published: 2012-02-06 05:12:35 +0000 UTC; Views: 3088; Favourites: 37; Downloads: 43
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Description Putting it all together- using genetics research to understand how dogs can have pups that end up looking so different.
Photo illustrations to supplement my Dog Colors Guide
Dominant black and chocolate
Sable and tan points
Masks
Detailed theoretical written list of genes Theoretical Dog Genetics When I was a kid I can remember being confused by the logic of dog genetics presented in cartoons. When two different looking dogs had puppies, the boy puppies looked like the dad and the girl puppies looked like the mom. I can only guess that this lack of originality was an attempt to cash in on the new character's resemblance to an older character that had already won people over, but where's the fun in that? Being the animal nerd that I am, I resolved to give myself a way to design a realistic yet varied guide to prevent such blandness. This is meant to accompany the visual guides I have already created, as a way to give a character a theo

This litter is approximately 2-3 weeks old. We only have them for a little while, until they are old enough to go to a foster family.

I may not have gotten everything right. If you spot any mess-ups let me know so I can edit it. Colors can be hard to guess in young puppies, and can change appearance as they develop. I did not include anything on white markings since that is still largely unknown in most breeds.

This is assuming there is only one sire, given what dogs can get up to.

They look like squishy guinea pig things with heads that are too big that can only squeak and squirm across their kennel.
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Comments: 11

wolvensong [2012-06-04 05:20:41 +0000 UTC]

this reminds me a lot of the litter my two dogs came from. Their mother was a black lab x coonhound and the father was unknown (though we hazard a guess at the border collie down the street). The pups were split between short vs long hair and brown, black and white vs black and white. This is them [link]

Hmmm, they almost look like they could be from a Shepherd-mix sire

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Leonca In reply to wolvensong [2012-06-04 05:28:26 +0000 UTC]

Very cute.

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girlonwantedposters [2012-06-03 07:41:03 +0000 UTC]

hmm, well, you can rule out short breeds. depending on the fur texture, you can pluck out breeds such as poodles- even this young.
certian breeds have oddities about their structure that can rule out breeds with large heads. Just looks at the jaws. are they squared like the dogo argintino, are the cheeks thick like rotties, what about a huntaway?

it would probably have to have been a light colored dog. if it was a dark coated dog, then nearly all of them would be dark too- which they arnt seeing as one is a full sable/brown.
and judging by the markings- which the eyebrow points are a more rare in mutt breeds...

so id guess you would be looking for a short to medium coated dog with light fur.
it also helps to know the common 'urban' dogs that roam the streets in your town, or the most popular owned that match the coat and bone discription.

XD sorry for being so nerdy.

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ItisjustI [2012-02-11 18:14:45 +0000 UTC]

Aww cute puppies. ^^

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Leonca In reply to ItisjustI [2012-02-11 23:46:03 +0000 UTC]

Thanks. They just started learning to walk before going into foster care.

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ItisjustI In reply to Leonca [2012-02-12 00:52:04 +0000 UTC]

Aww! ^^

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TheTinkerThinker [2012-02-06 13:27:49 +0000 UTC]

Sounds almost like one of those 'guess the father' shows, but with more medical geekiness Squishy guinea pigs!
At the moment I only sort of mix and match body types: eg. seeing mongrels that look like a cross between breed X and breed Y.

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Leonca In reply to TheTinkerThinker [2012-02-06 23:06:23 +0000 UTC]

Yeah, it can be hard guessing sometimes, since I don’t know the genetics of different body types. Not that it matters when they’re this young, with all breeds probably looking equally squishy and lumpy.

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TheTinkerThinker In reply to Leonca [2012-02-06 23:17:10 +0000 UTC]

Hence 'furball' I guess.

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riding-the-wind [2012-02-06 05:17:47 +0000 UTC]

I'd hazard a guess that the father is a Rotti, you don't get eyespots like the bottom middle puppy in many breeds.

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Leonca In reply to riding-the-wind [2012-02-06 05:26:26 +0000 UTC]

Unlikely, since chocolate is extremely rare or nonexistent in the breed. The eye spots are just a part of the tan points markings.

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