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German Shepherd Database Project

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    Pedigree of

    Apollo De Coronada

    September 30, 1956
    AKC W770808
    Tan, Black
    Breeder: Iris B Broome

    Forest Ranger
    March 15, 1952
    AKC W661404 (Import)
    Wolf Grey

    Forest Sheppard


    Keyslane Princess Pat


    Mykka De Coronada
    February 7, 1953
    AKC W625737
    Black, Tan

    Coro Conte De Coronado
    November 3, 1947
    AKC W242537
    Black, Silver

    Mercury of Long-Worth
    August 5, 1944
    AKC A887778
    Black, Cream

    December 24, 1945
    AKC W7881
    Black, Tan

    Zisa von der Natternburg
    March 4, 1946
    AKC W247104
    Black, Tan

    Voss von der Natternburg

    May 4, 1943
    SZ 577186
    Black, Tan Markings & Mask

    Mira von der Natternburg
    January 20, 1938
    SZ 518690
    Black, Tan

    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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