Down syndrome human karyotype 47,XY,+21

  • Wessex Reg. Genetics Centre
  • Digital Images
  • Online

Available online

view Down syndrome human karyotype 47,XY,+21

Attribution 4.0 International (CC BY 4.0)

You can use this work for any purpose, including commercial uses, without restriction under copyright law. You should also provide attribution to the original work, source and licence. Read more about this licence.

Credit

Down syndrome human karyotype 47,XY,+21. Wessex Reg. Genetics Centre. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.

Selected images from this work

View 1 image

About this work

Description

Down syndrome karyotype (formerly called trisomy 21 syndrome or mongolism), human male, 47,XY,+21. This male has a full chromosome complement plus an extra chromosome 21. Symptoms include a varying degree of mental retardation, growth failure, muscular hypotoicity, flay occiput, large tongue, slanting eyesm, simian palmar crease, intestinal and heart problems, and acute leukaemia. Older survivors often develop Alzheimer's disease in their fourth or fifth decade. The syndrome is associated with advanced maternal age.

Permanent link