Here's why:
* Different Species: Dogs are canids (Canidae family), while goats are caprids (Bovidae family).
* Different Chromosome Numbers: Different species have different numbers of chromosomes, which are the structures that carry genetic information. Dogs and goats have a significant difference in their chromosome numbers, making successful breeding impossible.
* Biological Incompatibility: Even if they could somehow overcome the chromosome barrier, their reproductive systems are incompatible.
In short, cross-breeding between dogs and goats is simply not possible.