Biology, 09.10.2021 14:00, Serenitybella

I AM VERY GENEROUS NO JOKES PLEASE PS... PLEASE HELP What is the end result of crossing-over during the first stage of meiosis?

-the paternal DNA only is copied onto the chromatids
-the chromatids are identical to each other
-the chromatids contain the maternal DNA only
-the chromatids become non-sister (non-identical) chromatids

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I AM VERY GENEROUS NO JOKES PLEASE PS... PLEASE HELP What is the end result of crossing-over durin...