1. what premise do you think the wife is questioning based on the following lines: “he embraced her. she felt a chill, even shivered a little. she looked him in the eye. it was like staring at a stranger. “ do you think that his safety was the only conclusion she had drawn about their life together? is she reevaluating other areas of their relationship or who he is based on the recent discoveries made?

Some organisms have a large geographic range. for example, the norway rat lives on every continent except antarctica. a population of norway rats is the number of rats in one particular area. do you think it’s scientifically possible for a population of norway rats in north america to carry different genetic mutations than a population of norway rats in africa? do you think it’s possible that they carry some of the same mutations? what types of information can scientists learn by studying the genomes of these two populations of rats?