Can Human Sperm Fertilize Fish Eggs? Probably not. Ethical considerations preclude definitive research on the subject, but it’s safe to say that human DNA has become so different from that of other animals that interbreeding would likely be impossible. Can human sperm fertilize other animals? Probably not. Ethical considerations preclude definitive research on the subject,
Can You Get Pregnant By A Dog Or A Cat? And they do exist—mules, for instance, are the result of a horse and donkey mating. But creating hybrids of animals that are very genetically distinct from each other – such as a dog and a cat – are impossible, as is one species giving birth
Are All Mules Infertile? Are all mules infertile? There are exceptions to this, where a person can be born with an extra chromosome. Most of the time (but not always) a person with an extra chromosome is sterile. Those mismatched chromosomes make it hard to make viable sperm and eggs. So mules are sterile because