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Hey!! so I need help with a biology question if anybody can help?? A person with the genetic disorder Klinefelter's syndrome has an extra x-chromosome. Affected individuals have the genotype XXY. What can you infer is most likely the genetic mutation that results in Klinefelter's syndrome? Non-disjunction during meiosis Complete duplication of chromosomes during polyploidy Translocation during genetic replication Crossing over during meiosis

Biology
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I'm glad to help! What have you learned so far about each of the possible answers?
oo I have not idea about them...thats why I was hoping someone would explain them to me!! :)
*no

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Other answers:

Ok, I have a lesson on this let me just get the pdf...
okay thanks :)
Okay, so let's first look at what is "crossing over during meiosis" I highlighted the part that we will be looking at, but I included the full lesson in case you needed review/or didn't get to that part yet
wow! thank you :)
of course =)
okay so its not the first one...right?? because meiosis is the homologous chromosomes separate and migrate to opposite sides of the cell. and that is not non-disjunction
i'm checking my textbook don't want to give you a wrong answer :)
okay thanks :)
Actually, I think that it is nondisjunction, because he has an extra X due to a genetic disorder. Here's the part on nondisjunction:
okay thank you soooo much :)
You are welcome! I am so glad that I was able to help you =)
yes!!! you were a great help :) I will give you a medal :)
thank you! you are so kind
haha no you deserved it :) have a good rest of your day :)

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