Nowadays Down syndrome is referred to as:
Ans. a. Submental disorderMajority of children with Down syndrome function in mild to moderate range of mental retardation.Down syndrome/Trisomy 21:Genetic disorder caused by presence of all or part of a 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
Mental Retardation