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nathanwhite2016 nathanwhite2016
wrote...
Posts: 824
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6 years ago
The X and Y chromosomes are called
 
  a. autosomes.
  b. gametes.
  c. centromeres.
  d. sex chromosomes.
  e. karyotypes.
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wrote...
6 years ago
D
wrote...
6 years ago
You are always so helpful
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