Now that you've gotten to check your ideas by seeing some of your classmates' responses, let's take an opportunity to record your final thoughts for now.  Your response might be the same or different from in the previous discussion, but please re-write (or paste in) your complete answer.

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You run into your old friend, Aaron, who tells you that (strange as it sounds) he and his identical twin brother Jared got married to identical twin sisters! He says it’s going to be really exciting, because both couples just had baby girls, so his and Jared’s kids will also be identical twins!

Using your understanding of meiosis (e.g., including crossing over/recombination & independent assortment), what do you say to Aaron in response?

(Hint: since the important processes here act on pairs of chromosomes, it can be helpful to use "within pairs" or "between pairs" or "from each pair" frequently in your responses!)