Pedigree of

Rex of Sonoma


(M)
Nov 28, 1957
AKC W993358
Black, Silver
Breeder: M G & J B Addington

Notes: COI 5.68%

Teodore von Appen
Jul 22, 1955
AKC W757090
Black, Silver


Prince von Lotringer
Jun 2, 1952
AKC W387545
Black, Tan


Kip of Loring
May 31, 1950
AKC W337599
Black, Fawn


Leda the Beachcomber
Mar 3, 1950
AKC W201061
Black, Tan


Thompson Lady
Dec 10, 1950
AKC W329307
Black, Tan


Ayron of Younghaven
Dec 7, 1948
AKC W141240
Black, Cream


Candida
May 28, 1949
AKC W207352
Tan, Black


 
Heide von Fuerstenstein
Sep 16, 1953
AKC W452361
Black, Silver


Ace of Marmaris
Mar 3, 1952
AKC W370793
Black, Silver


Thor of Thunder Cloud
Aug 19, 1949
AKC W164728
Black, Cream


Gerda of Grettamarc
Jun 21, 1950
AKC W198993
Black, Cream


Elissa von Furestenstein
Mar 31, 1951
AKC W345204
Black, Tan


Argo von Grindelwald
Jul 29, 1945
AKC W2938
Black, Cream Markings


Ada von Fuerstenstein
Mar 17, 1945
AKC W33377
Black, Tan


Legend for German Shepherd Gene Study
  White Carrier
  Black Carrier
  Blue Carrier
  Liver Carrier

The German Shepherd Gene Study tracks the recessive "masking" white
and recessive black genes forward through the generations.

Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent. Often, it is impossible to determine which two alleles of a gene are present within an dog's chromosomes based solely on the outward appearance of that dog. However, an allele that is hidden, or not expressed by, can still be passed on to that dog's offspring and expressed in a later generation.

German Shepherds can carry one or both of the recessive white "masking" and/or the recessive black gene.

(A masking gene masks the real color and pattern of the dog. The only way the gene can be expressed in some of the offspring is if both parents carry it. For example, when a white dog is bred to a non-white dog that does not carry the white gene, none of the offspring will express the white coat but they will be carriers of the white gene. If those offspring are bred to a white, some of their offspring will express the white coat color. White bred to white will always produce white offspring.)

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The German Shepherd Dog Database Project makes no guarantees as to the accuracy of the data published at this site. We have made every effort to verify all entries, but the German Shepherd Dog Database Project is not a registry so all data included has been submitted by dog owners or taken from registry reports and AKC Stud Books. Please contact us to report any errors or omission.

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