On the other hand, humans seem to unique. Genes are just one part of the genome, the organism’s hereditary information. A genome also includes non-coding sequences of the DNA. Like many species, humans have many such sequences. Their existence in any species is not yet fully understood, but in humans there is an added mystery. These DNA parts do not seem to have evolved logically from those found in other species. They seem to have been inserted at a recent moment on the evolutionary timeline.
Now think of how far scientists have already come in DNA manipulation. They are able to switch on non-active genes for example in chickens, making them grow teeth and a tail like (tiny) dinosaurs. Gene synthesizers already exist, machines that actually generate DNA.
If an ancient alien race visited Earth at some point in our history, how easy would it have been for them to experiment with species’ DNA? If a bird is essentially the same as a dinosaur, out of what did these aliens grow us, humans? It could have been homo erectus, or something completely different ..
Ancient Sumerians and Egyptians depicted the strangest creatures, human-like figures with the heads of birds or other animals. We tend to think that these are just fantasy or art, the way they imagined their gods to be. But maybe there is a much more realistic explanation for these images. Maybe ancient peoples like the Sumerians and Egyptians actually saw such creatures. The genetic experimentation and manipulation could have been in progress in their time.