Edward syndrome is
Edward syndrome is trisomy 18 . It is due to non dysfunction of chromosomes during meiosis Trisomy 21 is down symdrome and trisomy 13 is patau syndrome. Reference: Nelson TB of pediatrics pg 404 edi 19.
Trisomy 13
Trisomy 18
Trisomy 21
Trisomy 20
Genetic and genetic disorders