Gender Medicine in Europe. Females Are Mosaics: X Inactivation and Sex Differences in Disease. The word mosaic is a form of work of art in which pictures are produced joining together minutes pieces of glass, stones and other materials of different colors.
Most GSDs will live to be between 10-13 years of age while 11-12 years is generally considered the average lifespan. A German Shepherd Dog becomes middle-aged between 6 to 7 years of age, and a GSD is generally considered geriatric at around 10. More senior GSD info.
Germans Shepherd Growing Pains. For many dog breeds, the hardest part of raising a puppy is over by the time the dog is twelve months old. However, for the German shepherd owner, German Shepherd growing pains are just beginning at this age. During adolescence, the German shepherd has almost reached his full height, is sexually mature, and is beginning to reach his adult weight.