Down syndrome, also called trisomy 21, is a genetic disorder that results from having three copies of chromosome 21 instead of two. what is a logical explanation for this genetic error?

Max is a child with special needs. what is the best way his family can support max? a. place max in an institution that looks after such children b. limit his exposure to the outside world c. provide max with as normal a childhood as possible d. prevent max from mixing with other children with special needs