trisomy

About 0.57 uses per million words.

Meaning

1. noun The presence of three copies, instead of the normal two, of a particular chromosome of an organism.

Similar words

triploidy tetrasomy tetrasomic triplosensitivity tetraploidism disomy trihybrid diploidy triploid chromothripsis

Often followed by

of for

Word family

trisomic trisomics trisomies