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German Shepherd Database Project

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    Pedigree of

    Duke von Zeller Markley

    June 30, 1958
    AKC W929057
    Black, Silver
    Breeder: J E Markley

    Notes: COI: 12.32%

    Mark von Silver
    January 25, 1957
    AKC W907363
    Black, Silver

    Ike Vonseneca
    December 20, 1952
    AKC W403108
    Black, Silver


    May 26, 1950
    AKC W222873
    Black, Silver

    Queen von Hubbardhaus II
    September 14, 1951
    AKC W361881
    Black, Silver

    Silver von Markley
    July 2, 1954
    AKC W547004
    Black, Silver

    Hans of DuBois
    October 13, 1951
    AKC W316141
    Black, Cream

    Greta III (W243245)
    July 30, 1950
    AKC W243245
    Black, Tan

    Inge von Amos
    April 28, 1957
    AKC W907365
    Black, Silver, Tan

    King von Markley
    April 20, 1955
    AKC W744670
    Black, Silver

    Ike Vonseneca
    December 20, 1952
    AKC W403108
    Black, Silver

    Arlo's Gretchen
    April 2, 1950
    AKC W214950
    Black, Cream

    Katrinka of Kansas
    November 10, 1953
    AKC W547430
    Black, Tan, Silver

    King Bad Devil
    July 15, 1952
    AKC W492209
    Black, Tan, Silver

    Zeman's Little Sonya
    June 24, 1952
    AKC W344070
    Black, Silver

    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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