Pedigree of

Mack's Queen

Sep 12, 1957
AKC W883996 [9-59]
Black, Silver
Breeder: Alex S Karr

Notes: COI 8.72%

Karr Boy's Laddie
Jun 7, 1956
AKC W829512 [2-58]
Black, Silver, Tan

Huaco Willette's King
Feb 9, 1954
AKC W682725
Black, Tan

Reinzucht's Rein
Apr 24, 1952
AKC W340201
Black, Silver

Dahnert-Haven's Rebba
Oct 11, 1952
AKC W396268
Black, Tan

Lady Felicia (W605197)
Jan 9, 1955
AKC W605197
Black, Tan

Hauptman Tapfer
Nov 12, 1953
AKC W500490
Black, Silver

Jul 24, 1952
AKC W389180
Black, Cream

Rayne of Jacmar
Sep 8, 1955
AKC W782949
Black, Cream, Silver

Rolf vom Fredeholz
Mar 16, 1947
AKC W306802
Brown, Black

Pirol von der Buchenhöhe

Jan 31, 1943
SZ 572905
Black, Tan Markings

Amsel vom Menkenmoor

Sep 4, 1944
SZ 595283
Black, Tan

Shelley of Jacmar
Feb 18, 1954
AKC W541074
Black, Cream, Silver

Ch (US) 
Maxle of Grafmar II

Aug 2, 1951
AKC W314395
Black, Cream

Eclipse of Jacmar
May 23, 1952
AKC W428940
Black, Tan Markings

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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