________ is a gene-linked abnormality in which the central nervous system deteriorates, producing problems in muscle coordination and mental deterioration.
A) Cystic fibrosis
B) Phenylketonuria
C) Huntington's disease
D) Tay-Sachs disease

Question

Quizplus · Accepted Answer

Huntington's disease is a genetic disorder that causes the progressive breakdown of nerve cells in the brain, leading to impaired muscle coordination and mental deterioration. Cystic fibrosis and Phenylketonuria are genetic disorders but they do not primarily affect the central nervous system. Tay-Sachs disease is also a genetic disorder but it causes the progressive destruction of nerve cells in the brain and spinal cord, leading to paralysis and death.

________ Is a Gene-Linked Abnormality in Which the Central Nervous