Trisomy 21 Karyotype
Nov. 28, 2024
Down Syndrome (Trisomy 21) - Pediatrics - Merck Manuals Professional Edition Genetics of Down syndrome - Wikipedia AMBOSS - Karyotype in Down syndrome (trisomy 21): As demonstrated in this karyogram, three copies of chromosome 21 are present in all cells, with a total of 47 chromosomes. Karyotype: ♀47,XX,+21 or Trisomy 21 Karyotype