maverickgirl02p5ndou
maverickgirl02p5ndou maverickgirl02p5ndou
  • 15-03-2018
  • Biology
contestada

A person is born with an extra copy of chromosome 21, what type of mutation has occurred?

A. DNA mutation
B. Frameshift mutation
C. Somatic cell mutation
D. Non-disjunction mutation

Respuesta :

ythø
ythø ythø
  • 16-03-2018
The answer is A, DNA mutation. :) 
Hope this helps! 
Answer Link
tangledsiranwrap
tangledsiranwrap tangledsiranwrap
  • 16-03-2018
Hold on. Failure of chromosomes copying is known as non-disjunction. This mutation is known as trisomy 21, or Down’s syndrome. I believe the answer is D.
Answer Link

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