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German Shepherd Database Project

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    Pedigree of

    Leo the Lion

    November 18, 1957
    AKC W888278
    Breeder: Warren D Neff

    Notes: COI: 5.59%

    Bobbie of River View
    July 12, 1954
    AKC W552255

    Rex of Sioux Land
    September 24, 1951
    AKC W374209

    Wolfe of Caldonia
    November 1, 1949
    AKC W257009
    Black, Cream

    Sioux City Sue II
    July 1, 1950
    AKC W246244

    Lady Dorine II
    November 14, 1952
    AKC W389839

    Tonys Schwartze Riesen
    October 30, 1948
    AKC W290863
    Black, Silver Grey

    Daisy of Grand Island
    November 13, 1950
    AKC W243735
    Silver Grey

    Wessels Cletus
    January 2, 1956
    AKC W667067

    Carpenter's White Cap
    February 18, 1952
    AKC W315626

    White King of Ama
    May 24, 1950
    AKC W278182

    Snow Queen Frau Karl Druchki
    February 16, 1951
    AKC W241130

    Zeman's White Tulip
    April 3, 1953
    AKC W412506

    White King of Ama
    May 24, 1950
    AKC W278182

    Snow Queen Frau Karl Druchki
    February 16, 1951
    AKC W241130

    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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