Answers
Passage A
The kind of analogy used here is Opposite Analogy. As it says If the genetic engineering is allowed, then there will be a chance of finding cure for cancer and if they don't allow it, then there will be no chance of finding cure.
The main conclusion of this argument is that if genetic engineering is allowed, there will be a chance of finding the cure for cancer.
The primary subject is allowing of genetic engineering and the analogue subject is finding cure for cancer.
Argument is absolutely logical as the advancement in genetic engineering would help in finding cure for cancer.
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