Pedigree of

Von Rheinfall Bonnie

Sep 19, 1955
AKC W655697
Grey, Tan, Silver
Breeder: Hans W & L B Thielhorn

Notes: COI: 7.44%

Ty von Druff of Kafra
Mar 28, 1950
AKC W264717
Silver Grey, Black

Kafra's Val of Grafmar
May 2, 1949
AKC W155496
Black, Cream

GVCh (US/Can) 
Valiant of Draham

Aug 27, 1946
AKC W23705
Black, Silver

Ch (US) 
Donna von Grafmar

Apr 7, 1947
AKC W57916
Black, Cream

Betty of Sunny Lane Farm
Aug 18, 1948
AKC W117784
Grey, Black

Topper Victory of Grafmar
Oct 12, 1941
AKC A575165
Silver Grey

Carin von Hoheluft
Jul 3, 1939
AKC A385881
Black, Grey, Tan

Alice (2)

Apr 9, 1952
AKC W356338
Black, Tan

Rajah von Robline

Aug 8, 1950
AKC W305951
Black, Tan

Dahnert-Haven's Pal
May 29, 1948
AKC W159614
Black, Tan

Lauren von Lukmar
Nov 21, 1948
AKC W143213
Black, Tan

Marla von Kathmil
Nov 28, 1949
AKC W176952
Black, Tan

Max von Kathmil

Jun 23, 1945
AKC W75079
Black, Light Tan

Lady Jane von Abt

Oct 14, 1944
AKC A977104
Black, Tan, Grey

Legend for German Shepherd Gene Study
  White Carrier
  Black Carrier
  Blue Carrier
  Liver 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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