It was said by critics that this science documentary promised more than it delivered. True. At the time this was made ancient DNA could be only be taken from fossils. In the next decade they learned how to get animal DNA from soil. Considering God made Adamic creatures from soil the soil could have evolutionary animal DNA and God fashioned the first people from the special soil. Explains a lot. If this documentary had been made 12 years later it would have maybe been way more complete.