trisomy

n.

三（染色）体性，三（染色）体细胞；

1. An aneuploid state in which a third homologous chromosome is present in addition to the normal autosomal pair is called trisomy.
   除了正常染色体对以外，还存在有第二种同源染色体的非整倍体状态，被称为三体性。

Loss of telomeric DNA during aging of normal and trisomy 21 human lymphocytes.
Noninvasive detection of fetal trisomy 21 by sequencing of DNA in maternal blood: a study in a clinical setting
Non-invasive prenatal assessment of trisomy 21 by multiplexed maternal plasma DNA sequencing: large scale validity study
Isolated trisomy of chromosomes 8, 11, 13 and 21 is an adverse prognostic factor in adults with de novo acute myeloid leukemia: resu...
First-trimester screening for trisomy 21 by free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A: impact...
Prolonged pancytopenia in a gene therapy patient with ADA-deficient SCID and trisomy 8 mosaicism: a case report.
UK multicentre project on assessment of risk of trisomy 21 by maternal age and fetal nuchal-translucency thickness at 10鈥weeks of g...
UK multicentre project on assessment of risk of trisomy 21 by maternal age and fetal nuchal-translucency thickness at 10–14 weeks o...
DNA sequencing of maternal plasma reliably identifies trisomy 18 and trisomy 13 as well as Down syndrome: an international collabora...
Fluorescence in situ hybridization with human chromosome-specific libraries: detection of trisomy 21 and translocations of chromosom...