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German Shepherd Database Project

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    Pedigree of

    Black Devil II

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

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

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

    VA Ch (US) 
    Quell vom Fredeholz
    SchH3 ROM

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

    Ch (US) 
    Dina vom Marilyn

    December 19, 1944
    AKC A911624
    Tan, Black

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

    Ch (US) 
    Hans von Rutlyn

    November 9, 1945
    AKC W7340
    Black, Tan, Silver

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

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

    Smrz Duke
    April 15, 1954
    AKC W637093
    Black, Cream

    Fritz von Lisle

    March 22, 1951
    AKC W285097
    Black, Cream

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

    Friedl Duchess
    July 23, 1954
    AKC W544242
    Black, Cream

    Prince Valiant of Bellcresta

    April 19, 1952
    AKC W435921
    Black, Cream

    Boewulf Bianca
    April 24, 1952
    AKC W325279
    Black, Cream

    Legend for German Shepherd Gene Study
      White Carrier
      Black 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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