Pedigree of

Derek of Cosalta

AKC 865165 [vol 50]
Born: Apr 3, 1932
Color: Black, Grey
Ch (US) 
Lio of Cosalta

Oct 27, 1924
AKC 487458 [vol 42]
Black, Tan

Ch (US) 
Giralda's Iso vom Doernerhof

Jan 25, 1922
AKC 398471, SZ 148072 (D├Ârnerhof)

Ch (US) 
Claus von der Fuerstenburg of Ardwin

Oct 13, 1919
AKC 541020 / SZ 77117 (F├╝rstenburg)
Black, Tan

Elsa vom Walrabe
Apr 10, 1918
SZ 67473
Black, Tan

Lola von der Secretainerie
SchH3 PH

Nov 18, 1921
SZ 140427 / AKC 338873
Black, Light Tan Markings

V 1921 OESGR Ch (US) 
Gerri von Oberklamm

Aug 31, 1917
AKC 326000, SZ 65867 (Geri)
Black, Tan

Elfe von der Secretainerie
Sep 11, 1919
SZ 76744
Light Grey, Black Mask

Ch (US) 
Heraclean Betnor

Aug 17, 1928
AKC 728874
Black, Tan

Ch (US) 
Cito von Mundtsdorf

Apr 4, 1923
AKC 478300
Black, Grey

Ch (US) 
Armin von Pasewalk

Sep 5, 1920
AKC 401246, SZ 98727
Black, Tan

Bera von Gothenburg
Feb 1, 1921
SZ 106923
Black, Tan Markings

Anka vom Billhof
Feb 2, 1926
AKC 714425
Black, Tan

Cuno vom Friedenstor
Dec 5, 1920
SZ 102387

Hedy Bergerslust
Apr 18, 1923
SZ 219688
Black, White

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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