Curious Questions About Color - Page 1

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clc29

by clc29 on 02 February 2011 - 18:02

Hi Everyone,
I have read on here that the black color gene is a recessive gene. So what are the chances of having an all black litter out of solid black parents? Also, there is only one other black dog in the litters pedigree for three generations.

Also wondering, how breeders improve pigment. Are there any other considerations other than breeding a darker pigmented dog to improve the color of a lesser pigmented dog?

Where does the rich mahogany color come from in sables?

Thanks for your input.

C


LukasGS

by LukasGS on 02 February 2011 - 18:02

I believe...If the parents are black then there is no way they can pass on anything other than the black gene...so the chances are high..

buckeyefan gsd

by buckeyefan gsd on 02 February 2011 - 19:02

2 black dogs=all black pups

both parentrs are double recessive that is the only way
black expresses itself

some talk about dominant black in a certain russian line
but i know nothing about it

Jenni78

by Jenni78 on 02 February 2011 - 19:02

 One thing to add: 

Black will NOT necessarily improve pigment. Color and pigment are not the same; you can have a deeply-pigmented black or a poorly pigmented black. If you want to improve on pigment, select a very deeply pigmented dog w/very black markings, solid black nails, rich colors on body coloring, and as much black in the mouth as you can get. Eyes should be very dark. Skin should have a grayish hue rather than pink; in dark dogs, often, tattoos are unreadable due to the deep pigment.

If you're breeding black to black, ESPECIALLY pay attention to these things. Honestly, black to black is not something I would do for more than a generation. In fact, in all my solid black dogs, NONE of them have both black parents. All are black as a result of both parents being carriers, not blacks. As with anything else, recessives bred to recessives for any length of time can be problematic. 

by Alamance on 02 February 2011 - 20:02

A lady in the US had a kennel of all black GSDs.  She bred black to black for several generation and the color became less and less good and then suddenly the color became a wonderful black color.

This was back in the 1940's or 1950's, I believe.  She was Maureen Yantzee or something like that.

ggturner

by ggturner on 02 February 2011 - 23:02

 Since both parents are homozygous recessive for black coat color, they can only pass on the recessive allele for black.  So all of the puppies will be black.

pod

by pod on 03 February 2011 - 11:02

Breeding black x black will not (*)  produce any of the alternative A locus patterns like saddle, sable, tanpoint (B&T), but it doesn't preclude other breed recessives from occurring - white/cream, blue and liver.

(*) Buckeye is correct in that there have been instances of breeding data that suggest dominant black is present in the breed at a low level.  If one parent is dominant black, then any of the recorded breed colours and patterns could occur.

lovejags

by lovejags on 04 February 2011 - 05:02

 THIS IS SOMETHING THAT I HAVE ALWAYS WONDERED ABOUT ALSO. THANKS FOR CLARIFYING GUYS





 


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