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Trisomy
//ˈtɹʌɪ.sə(ʊ)mi// noun
Definitions
Noun
- 1 The presence of three copies, instead of the normal two, of a particular chromosome of an organism. countable, uncountable
- 2 chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell wordnet
Etymology
From trisome + -y.
See also for "trisomy"
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