Two-year old Zack has an inherited disorder in which his body cannot break down fat.He will probably die by the time he is four.Zack is most likely suffering from:
A) phenylketonuria.
B) sickle-cell anemia.
C) Tay-Sachs disease.
D) Down syndrome.

Question

Quizplus · Accepted Answer

Zach is likely suffering from Tay-Sachs disease, a genetic disorder that prevents the breakdown of certain fats in the body. Tay-Sachs disease is typically fatal by early childhood. Phenylketonuria (A) is a disorder that causes a buildup of an amino acid called phenylalanine and can lead to intellectual disability without treatment. Sickle-cell anemia (B) is a genetic disorder in which red blood cells become misshapen and can cause various health problems. Down syndrome (D) is a genetic disorder caused by the presence of an extra copy of chromosome 21 and typically causes intellectual disability and physical differences. None of these disorders are specifically characterized by the inability to break down fat.

Two-Year Old Zack Has an Inherited Disorder in Which His