Question

What is the cause of down syndrome mention any two characteristics in the suffer of thi s syndrome

Answer 1

Down syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosome 21.

Down syndrome causes a distinct facial appearance, intellectual disability, developmental delays, and may be associated with thyroid or heart disease.

Characteristics:

small nose and flat nasal bridge

small mouth with a tongue that may stick out

eyes that slant upwards and outwards

a flat back of the head

broad hands with short fingers

their palm may have only one crease across it

below-average weight and length at birth