The above image is a scene from the film Avatar, in the background there is the pictured actors Avatar, a human-alien hybrid, the theme of the hybrid has also being introduced by Beyonce (see Beyonce as a hybrid [@ 1:09 min] - video and image below), in this case a human-animal hybrid. This is one of the many direction's that 'guided evolution' can take us and was 'forseen' and discussed by Gordon Rattray Taylor in "The Biological Time Bomb" (1968) and Alvin Toffler in "Future Shock" (1970).

Here are the excerpts:
"The experiment of transferring human limbs to an animal may well be tried. If, as I describe later, means of raising the intelligence of apes and other animals are found, there may be a powerful demand for them as slaves, capable of performing simple tasks -- this is, after all, only a trifling extension of the practice of using horses to carry men or turn a mill. But for the tasks of a technological civilization, hands with fingers which can press buttons are required, and an opposable thumb is needed for many types of operation. It would therefore be logical to equip apes with discarded human hands. And if lower orders of animals, such as dogs, are also found suitable for such tasks, human arms and even legs may be needed for them. ... The technical term for organisms comprimising material from two or more species is chimeras, a Greek term coined for the monsters of their imaginations: the mermaid, the centaur and so on. Within a few years we may actually see such chimeras. If the mind recoils a little at the prospect of an ape with human hands, it is because all departures from the natural order produce this effect at first. ... the objection to artificial chimerism will probably subside as soon as it has become familiar. [hence it's introduction and normalization through entertainment]" - The Biological Time Bomb, p. 82, 83
"Mention was made earlier of the idea of breeding men with gills or implanting gills in them for efficiency in underwater environments. At a meeting of world renowned biologists in London, J. B. S. Haldane began to expatiate about the possibility of creating new, far-out forms of man for space exploration. "The most obvious abnormalities in extra-terrestrial environments," Haldane observed, "are differences in gravitation, temperature, air pressure, air composition, and radiation ... Clearly a gibbon is better preadapted than a man for life in a low gravitational field, such as that of a space ship, an asteroid, or perhaps even the moon. A platyrrhine with a prehensile tail is even more so. Gene grafting may make it possible to incorporate such features into the human stocks." While the scientists at this meeting devoted much of their attention to the moral consequences and perils of the biological revolution, no one challenged Haldane's suggestion that we shall someday make men with tails if we want them. Indeed, Lederberg merely observed that there might well be non-genetic ways to accomplish the same ends more easily. "We are going to modify man experimentally through physiological and embryological alterations, and by the substitution of machines for his parts," Lederberg declared. "If we want a man without legs, we don't have to breed him, we can chop them off; if we want a man with a tail, we will find a way of grafting it on to him." - Future Shock, p.194, 195
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