No doubt, the field of biotechnology has brought wonders for the mankind but humans remain in a constant fear that any unethical step taken can prove biotechnology to be disastrous for the mankind.
One of the major ethical dilemma for advancements in biotechnology is the production of clones of humans. Humans fear that the cloning of humans can be a serious threat to the mankind.
Another major dilemma of biotechnology is that the wild-type species might become eradicated from the world and no genetic diversity would remain.