Goldendoodles do not belong to the purebred dog category. There are several dog breeds mixed together in this mix. So, it’s not always clear which genes a tiny Goldendoodle will get and which traits they will get from which parent.
Dogs whose parents are golden retrievers are stronger and have thicker bodies. While dogs whose parents are poodles are more carefully built.
To be honest, you can’t know what your tiny Goldendoodle will look like as an adult. But here are some things you can expect: