Variant DNA1
Why does blood attract cockroaches?
Because cockroaches spread diseases, genetic modification was used to create cockroaches with rapid metabolism, so that all cockroaches starved to death due to fast metabolism. The original body can only live for up to six months, but it mutated. This is the main story background of variant DNA.
There are two settings in the movie that are clearly set for the development of the plot. One is that cockroaches are bloodthirsty. This statement seems to have never been heard before, and no relevant information has been found. The second is that the IQ is too high. No matter what, it is just an insect. The cockroach's head is small and its brain capacity cannot be too high, which limits its IQ. In the movie, it also understands mechanical principles, which seems to be completely out of IQ. The scope is over, this is completely educated.
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