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.
Rating Newest Oldest. Best Answer: German Shepard's do not reach full maturity til about 2 years of age. Depending on the size of the parents of the puppy usually will tell you how large your dog is going to be. These dogs need lots and lots of vitamins, especially calcium. cause problems.