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German Shepherd Database Project

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    Pedigree of

    Heine of Isabella

    June 15, 1922
    AKC 389393
    Grey, Dark Markings
    Breeder: F A Slayton, Fort Collins CO

    Notes: COI 26.85%

    Flock of Rexden Belcarza
    January 11, 1921
    AKC 303394
    Black, Tan

    Ch (US) 
    Flock von Bern

    September 6, 1918
    AKC 285696 / SZ 70034
    Black, Tan

    Alex vom Westfalenheim

    March 9, 1914
    SZ 59298
    Black, Tan

    Anni vom Haldenheim
    March 1, 1916
    SZ 62977
    Black, Light Grey Markings

    Bianca of Belcarza
    March 4, 1918
    AKC 247717
    Black, Tan

    Ch (US) 
    Nero Affolter

    December 13, 1910
    AKC 188856, Import
    Dark Wolf Grey

    Deysi of Elmview
    April 11, 1916
    AKC 221706
    Wolf Grey

    Fawn von Arapahoe
    September 14, 1920
    AKC 309618
    Wolf Grey

    Heinie of Denver
    February 1, 1917
    AKC 287184
    Wolf Grey

    Lux von Sachsengrub
    September 12, 1910
    AKC 238099, Import
    Wolf Grey

    Alma von der Wotansburg
    July 22, 1911
    SZ 23738 / AKC 238100
    Light Wolf Grey, Black Mask

    Peggy Lee of Longmont
    May 1, 1919
    AKC 271051
    Dark Wolf Grey

    Oak Ridge Surprise
    June 14, 1913
    AKC 176152
    Wolf Sable

    Stonihurst Fawn
    May 20, 1917
    AKC 235631
    Wolf Brown

    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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