Nowadays Down syndrome is referred to as.
Answer: A - Submental disorder Majority of children with Down syndrome function in mild to moderate range of mental retardation.Down syndrome / Trisomy 21 -A genetic disorder caused by the presence of all or pa of the third copy of chromosome 21.Typically associated with physical growth delays, characteristic facial features and mild to moderate intellectual disability.
Submental disorder
Oligophrenia
Madness
Mentally unstable