nul·li·so·mic
ˌnəl-ə-ˈsō-mik 
: having two less than the diploid number of chromosomes due to loss of one chromosome pair
: a nullisomic individual
Cite this Entry
“Nullisomic.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/nullisomic. Accessed 3 Dec. 2025.
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