Ever since the underground people said she gave birth to a child, I have been thinking about this issue, and I feel like I can't invest in this movie at all.
When I saw the clone family appear in the middle of the movie, the underground people said that when the people on earth were giving birth to children, she was also giving birth to children. That means that the two children were born through normal reproduction, not clones, so why do they look exactly the same as the children on the ground? Because people have 23 pairs of chromosomes, each person will produce more than 8 million kinds of gametes, and a couple will produce more than 70 trillion kinds of offspring, and then consider the crossover of non-sister chromatids, how can such a low probability be give birth to the same child. I really don't understand.
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