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1b 1b
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7 years ago
Trisomies are the product of the union of a normal ovum and sperm with a gamete that contains an extra chromosome. An infant born with Down syndrome would have which of the following karyotypes?
 
  A) 46 chromosomes, 3 copies of chromosome 18
  B) 48 chromosomes, 2 copies of chromosome 13
  C) 47 chromosomes, 3 copies of chromosome 21
  D) 46 chromosomes, 1 copy of chromosome XXY
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laneybrown8laneybrown8
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7 years ago
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1b Author
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7 years ago
Thanks
ky
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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