Pedigree of

Boots of Phildore

Jan 30, 1956
AKC W991124
Black, Tan
Breeder: Theodore J McGrath

Notes: COI 10.30%

Deleen's Rolf-Dart of Zonnette
Jun 5, 1952
AKC W346003
Black, Tan

Tarzan von Schrief

Feb 11, 1949
AKC W137292
Black, Tan

Helsi's Chief
Jul 6, 1947
AKC W56933
Black, Silver

The Duchess von Williams
May 13, 1944
AKC A833277
Black, Tan

Bonnie Zonnie Kurzon
May 29, 1950
AKC W224052
Black, Tan

Barnes Torch
Mar 13, 1949
AKC W187032
Cream, Light Grey

Quinta's Abeja Avenida Diez
Aug 14, 1947
AKC W63482
Black, Tan

Stangerda's Nicquellette
Apr 6, 1954
AKC W522033
Black, Golden, Silver

Ch (US) 
Stangerda's Quellson

Mar 4, 1951
AKC W254251
Black, Silver, Brown

VA Ch (US) 
Quell vom Fredeholz

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

San Miguel's Kay of Rocky Reach
Apr 23, 1946
AKC W10136
Black, Tan

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

Helsi's Chief
Jul 6, 1947
AKC W56933
Black, Silver

Ch (US) 
Yolana of Grettamarc

Nov 15, 1946
AKC W58214
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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