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German Shepherd Database Project

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    Pedigree of

    Alex vom Martinsturm

    January 28, 1921
    AKC 384792 / SZ 106018
    Silver Grey, Black Mask
    Breeder: Jecht, Neundorf (Anh), Germany

    Notes: COI: 21.34%

    Heinz von der Grottenau
    June 13, 1919
    SZ 76066

    Prinz (Groner)

    March 3, 1918
    SZ 70302

    Held von der langen Nau
    September 11, 1913
    SZ 49891

    Jörg von Scharenstetten
    January 1, 1912
    SZ 27733
    Black, Grey, Dingy
    Cora (Mayer)
    June 4, 1910
    SZ 18253

    SZ No Reg Number

    Moritz von der Ulme
    April 30, 1910
    SZ 11789
    Black, Tan Legs & Markings, White Chest
    Flora von Scharenstetten
    February 16, 1911
    SZ 18738
    Black, brown red markings
    Allie von der Grottenau
    July 6, 1918
    SZ 68976

    Bolko von Weihenstefan
    August 2, 1912
    SZ 35871
    Greyish Tan, Brown Legs, Dark Mask

    Horand vom Siegestor

    June 6, 1909
    SZ 7550
    Dark Grey, Dingy
    Waldine vom Martinsturm

    June 16, 1910
    SZ 12748
    Black, Light Grey Markings
    Cora von der Grottenau
    December 12, 1917
    SZ 67507

    Wodan von der Grottenau
    January 29, 1914
    SZ 55120
    Flora (von Freilassing)
    December 15, 1911
    SZ 54005
    Grey, Brown Markings
    Erna von Schakensleben
    September 1, 1914
    SZ 59086
    Light Grey, Dingy

    Erwin vom Siegestor
    May 27, 1911
    SZ 21498
    Dark Grey, Dingy

    1910 SG 
    Tell von der Kriminalpolizei

    May 22, 1909
    SZ 8770
    Light Grey, Dark Mask

    1908 SG 
    Luchs vom Kalsmunt Wetzlar

    September 8, 1906
    SZ 3371
    Herta von der Kriminalpolizei

    November 10, 1907
    SZ 3951
    Black, Tan Markings
    Hella vom Siegestor

    June 6, 1909
    SZ 7553
    Light Grey, Dingy

    LsPrS 06 
    Siegfried von Jena Paradies

    September 18, 1904
    SZ 1339
    Black, Grey, Dingy
    Senta vom Siegestor
    May 26, 1906
    SZ 2584
    Black, Grey, Brindle
    Minka vom Ammersee

    May 21, 1909
    SZ 17704
    Dark Grey

    Silvan von Massing
    October 7, 1907
    SZ 3770

    Mohr von Massing

    not registered
    Hexe von Massing

    not registered
    Mira von Birken

    July 16, 1906
    SZ 4043
    Dark Grey

    Franz von Birken

    SZ #No Reg Number
    Nelly (Ger)

    not registered
    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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