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German Shepherd Database Project

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    Pedigree of

    Glamour Girl of Twin Pine

    November 20, 1956
    AKC W951396
    Black, Cream
    Breeder: Tom M Courtney

    Notes: COI 18.89%

    Rocky of Wildwood
    September 23, 1955
    AKC W749443
    Cream, Black

    Rex Ronno of Lake-Trail
    December 1, 1948
    AKC W471473
    Tan, Grey

    Ottawa Chief Ronno of Lake-Trail
    April 10, 1946
    AKC W16249
    Dark Silver Grey

    Peggy Von of Lake Trail
    May 8, 1947
    AKC W55134

    Lake-Trail Victoria
    December 14, 1952
    AKC W471472
    Silver Grey

    Lake-Trail Pfeffer-Leu
    September 23, 1951
    AKC W289826

    Vadette of Grafmar
    October 3, 1948
    AKC W123828
    Silver Grey

    Judy Girl of Wildwood
    November 17, 1955
    AKC W749442
    Cream, Black

    The Duke of Winterhalter
    March 2, 1954
    AKC W522320
    Black, Tan

    Hunterland's Satan
    June 15, 1952
    AKC W356337
    Black, Tan

    Kim of Fernwald
    November 22, 1951
    AKC W313590
    Black, Brown Markings

    Juno of Wildwood
    January 5, 1954
    AKC W552192
    Black, Silver

    Rex Ronno of Lake-Trail
    December 1, 1948
    AKC W471473
    Tan, Grey

    Lake-Trail Victoria
    December 14, 1952
    AKC W471472
    Silver Grey

    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.)

    German Shepherd artwork on this site created by AHEAD Graphics. Visit their site for more talented artwork and custom designs.

    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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