The question is:
Two homologous chromosomes meet in the centre of a cell during meiosis-1. However they do not align correctly. Crossing over results in these homologous chromosomes exchanging different amounts of genetic material. Explain how this could cause a duplication or deletion mutation.
I have tried researching it and i have looked at my textbook but i m not really sure how i could put this into words, when I don t understand. So if someone could clarify that would be amazing!!
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what the how do i do this
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