coosenberry
coosenberry coosenberry
  • 21-06-2016
  • Biology
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The sex of mammals is determined by

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nelie09 nelie09
  • 21-06-2016
the mammalian Y chromosome is a crucial factor for determining sex in mammals
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katrinaxx
katrinaxx katrinaxx
  • 21-06-2016
The chromosomes of mammals determine their sex; XX chromosomes for femals and XY chromosomes for males.
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