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German Shepherd Database Project

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    Pedigree of

    Dutchess of Winsor

    July 23, 1957
    AKC W926990
    Black, Cream
    Breeder: Peter J Krenn

    Notes: COI 21.10%

    Winco King
    April 27, 1952
    AKC W445865
    Silver Grey

    Count Max
    July 21, 1950
    AKC W260741
    Black, Tan

    Yopaka's Count von Cernak
    January 27, 1949
    AKC W146782
    Black, Tan, Silver

    Sylvia of Long-Worth
    November 24, 1944
    AKC W158881
    Black, Tan

    Teena von Schoenblick
    September 21, 1950
    AKC W282284
    Black, Silver

    Rex of B'Gosh
    March 11, 1948
    AKC W211397
    Black, Silver

    Viki of B'Gosh
    October 20, 1949
    AKC W182577
    Silver, Black

    Lady of Oshkosh
    March 31, 1952
    AKC W425129
    Black, Tan

    Arno van de Oldehove (A943734)
    May 10, 1945
    AKC A943734
    Black, Cream

    Ch (US) 
    Ronno van de Oldehove

    December 4, 1938
    AKC A383444
    Black, Cream

    Lady Savannah
    January 9, 1940
    AKC A417499
    Black, Tan

    Sylvia of Long-Worth
    November 24, 1944
    AKC W158881
    Black, Tan

    Zar of Long-Worth
    May 27, 1943
    AKC A739063
    Black, Tan

    Ch (US) 
    Gilda of Costilla II

    January 1, 1943
    AKC A671665
    Silver Grey, White Markings

    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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