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langelanShellysher langelanShellysher
  • 27-02-2017
  • Biology
Answered

7.

Down syndrome may be the result of a piece of chromosome 21 breaking off and reattaching to chromosome 14. This type of gene mutation is known as a ________________________.


base-pair substitution


gene translocation


base-pair inversion


gene duplication

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tenisgirl
tenisgirl tenisgirl
  • 27-02-2017

B is the correct answer

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