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space4cadet101

  • 3 years ago

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

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  1. ScienceQs
    • 3 years ago
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    I'm glad to help! What have you learned so far about each of the possible answers?

  2. space4cadet101
    • 3 years ago
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    oo I have not idea about them...thats why I was hoping someone would explain them to me!! :)

  3. space4cadet101
    • 3 years ago
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    *no

  4. ScienceQs
    • 3 years ago
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    Ok, I have a lesson on this let me just get the pdf...

  5. space4cadet101
    • 3 years ago
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    okay thanks :)

  6. ScienceQs
    • 3 years ago
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    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

  7. space4cadet101
    • 3 years ago
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    wow! thank you :)

  8. ScienceQs
    • 3 years ago
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    of course =)

  9. space4cadet101
    • 3 years ago
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    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

  10. ScienceQs
    • 3 years ago
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    i'm checking my textbook don't want to give you a wrong answer :)

  11. space4cadet101
    • 3 years ago
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    okay thanks :)

  12. ScienceQs
    • 3 years ago
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    Actually, I think that it is nondisjunction, because he has an extra X due to a genetic disorder. Here's the part on nondisjunction:

  13. space4cadet101
    • 3 years ago
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    okay thank you soooo much :)

  14. ScienceQs
    • 3 years ago
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    You are welcome! I am so glad that I was able to help you =)

  15. space4cadet101
    • 3 years ago
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    yes!!! you were a great help :) I will give you a medal :)

  16. ScienceQs
    • 3 years ago
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    thank you! you are so kind

  17. space4cadet101
    • 3 years ago
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    haha no you deserved it :) have a good rest of your day :)

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