A) physiological abnormality
B) neurological abnormality
C) sex-linked abnormality
D) autosomal abnormality.
Correct Answer: D
Solution :
: Downs syndrome is congenital antosomal disorder, previously referred to as mongolism, resulting from trisomy of chromosome 21. Occasionally the extra copy of chromosome 21 is translocated to become attached to.an arm of another chromosome, such as chromosome 14. The syndrome is characterized, by the mongoloid facial features, reduced life expectancy and mental retardation. It occurs at a rate of about one per 700 live births; its incidence is strongly correlated with maternal age.
You need to login to perform this action.
You will be redirected in
3 sec
