Pedigree of

Black Devil II

Nov 30, 1956
AKC W761719
Black, Silver
Breeder: Lee Ann Russo

Fredrick von Wiesbrocken
Jul 22, 1954
AKC W551896
Black, Cream

Siegfried von Diersburg
Nov 18, 1950
AKC W228576
Black, Tan

VA Ch (US) 
Quell vom Fredeholz

Sep 12, 1946
AKC W158551 / SZ 626811
Black, Grey

Ch (US) 
Dina vom Marilyn

Dec 19, 1944
AKC A911624
Tan, Black

Flame von Wiesbrocken
Jun 11, 1951
AKC W468200
Black, Cream

Ch (US) 
Hans von Rutlyn

Nov 9, 1945
AKC W7340
Black, Tan, Silver

Bonnie of Monroe
Sep 13, 1949
AKC W160028
Black, Tan

Russo's Lady
Jan 3, 1956
AKC W673022
Black, Cream

Smrz Duke
Apr 15, 1954
AKC W637093
Black, Cream

Fritz von Lisle

Mar 22, 1951
AKC W285097
Black, Cream

Gladroy's Daisy May
Apr 19, 1949
AKC W162044
Black, Cream

Friedl Duchess
Jul 23, 1954
AKC W544242
Black, Cream

Prince Valiant of Bellcresta

Apr 19, 1952
AKC W435921
Black, Cream

Boewulf Bianca
Apr 24, 1952
AKC W325279
Black, Cream

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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