Pedigree of

Tanya von Zylke

Mar 30, 1958
AKC W929331
Black, Brown
Breeder: Roger C Gardner Jr

Notes: COI: 4.45%

Jason von Steig
Apr 12, 1956
AKC W715906
Black, Tan

Kurt von Hesse
Apr 3, 1953
AKC W420417

Ch (US) 
Grasslands Klodo

Apr 30, 1949
AKC W166692

Gretchen XV (2)
Aug 5, 1950
AKC W231719
Black, Brown

Czaress of von Widhelm
Jan 5, 1954
AKC W491468
Black, Silver

Deuce of Harpwood
Aug 2, 1951
AKC W280917
Black, Tan, Grey

Chula von Wiesbaden
Dec 27, 1950
AKC W299436
Black, Silver

Lady Kim Gardner
Aug 14, 1955
AKC W865549
Black, White

Oldehove's Duke von Gueurce
Mar 1, 1953
AKC W448667
Black, Cream

Ch (US) 
Oldehove's Arno II

Dec 27, 1945
AKC W31275
Black, Cream

Sissy of Kurtz Home
Feb 4, 1947
AKC W62575
Black, Tan

Queen Brenda Bernatowicz
Nov 2, 1953
AKC W601459
Black, Tan

Yopaka's Rolfe
Dec 26, 1951
AKC W378677
Black, Tan

Nelda aus der Leichtweishohle
Sep 4, 1951
AKC W454850
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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