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 :

16-03-2018

The answer is A, DNA mutation. :)
Hope this helps!

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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.

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