29-04-2016
Biology

contestada

Which of the following disorders results from changes in an individual gene?

A. Turner syndrome
B. Klinefelter syndrome
C. Trisomy 21
D. Sickle-cell disease

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Аноним Аноним

05-05-2016

The correct answer for the question that is being presented above is this one: "C. Trisomy 21." Trisomy 21 is a disorder results from changes in an individual gene. Down syndrome (DS or DNS), also known as trisomy 21, is a genetic disorder caused by the presence of all, or part of a third copy of chromosome 21.

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