What are characteristics of a child born with trisomy 21?

A. High muscle tone and advanced motor skills – Children with Down syndrome (trisomy 21) typically have hypotonia (low muscle tone) and delayed motor development. B. Tall stature and rapid weight gain – These children often have short stature and can have growth delays, not rapid weight gain. C. Distinct facial characteristics and delayed physical development –Common features include upward slanting eyes, flat nasal bridge, epicanthal folds, and small stature, along with delays in physical and motor development. D. Normal cognitive development and speech abilities – While the degree can vary, most children with trisomy 21 have some level of intellectual disability and speech delays.