Question

Which among the following is NOT a disorder due to defective gene or gene mutation on autosomes?

• A. Alkaptonuria
• B. Albinism
• C. Phenylketonuria
• D. Mangolism

Answer 1

Answer:

D. Mangolism

• Down's syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosome 21 (trisomy 21).

• Down's syndrome causes a distinct facial appearance, intellectual disability, and developmental delays.

• It may be associated with thyroid or heart disease.

• Because the characteristic epicanthic eye fold of Down Syndrome superficially resembles that seen in some Asian populations, Down Syndrome was for many years called 'Mongolism.