Answer: A) A and B
Explanation: A woman with type AB blood will have a genotype IAIB while a man with type O blood will have a genotype ii. A cross between the two of them will produce four offsprings: 2 IAi and 2IBi. IAi is type A blood while IBi is type B blood. Therefore the possible blood types of their children are type A and B.
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The process you asked about in your question is called Cell Division
You would die because the radiation levels would disrupt brain waves causing heart failure, stroke, ect.