Which among the following is NOT a disorder due to defective gene or gene mutation on autosomes?
AAlkaptonuria
BAlbinism
CPhenylketonuria
DMangolism
Answer:
D. Mangolism
Read Explanation:
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.
