Pedigree of

Heidi von der Mark

Jan 7, 1958
AKC W891647
Black, Silver
Breeder: blacksilver.png

Notes: COI 4.17%

Mio Rex
Nov 18, 1952
AKC W497277
Cream, Tan, Silver, Black

Kenebec's Berno of Casco Bay
May 13, 1949
AKC W179730
Black, Cream

Tristan of Casco Bay
Sep 29, 1947
AKC W141975
Black, Cream

Tosca of Casco Bay
Sep 6, 1946
AKC W29983
Black, Cream

Blackie of Shephaven
May 3, 1950
AKC W261200

Kenebec's Berno of Casco Bay
May 13, 1949
AKC W179730
Black, Cream

Stonecrest Toby of Grafmar
Dec 2, 1943
AKC A756193
Black, Cream

Christine of Drinmar
Jun 15, 1956
AKC W740016
Black, Silver

Lance of Lofty Acres
Dec 8, 1951
AKC W376994 [12-56]
Silver, Tan, Black

Fix vom Haus Werle
Mar 21, 1948
AKC W221616 / SZ 692232
Black, Tan

Jetta von Kafra
Jul 22, 1950
AKC W206692

Duchess of Jebmar
Apr 9, 1955
AKC W608040
Black, Silver

Ch (US) 
Alf von Grafmar

Jan 17, 1953
AKC W416180
Black, Sable

Paulette of Balegem
Apr 23, 1952
AKC W586151 (Import)
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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