nullisomic
/nʌlɪˈsəʊmɪk/(also nullosomic) Genetics
adjective
Designating, relating to, or characterized by the condition of having an aneuploid chromosome complement lacking a particular pair or polyploid set of homologous chromosomes. Also (of a gamete): lacking a chromosome; producing a nullisomic individual.
- Occasionally also applied to homologous chromosomes lacking the same segment in all copies..
noun
A nullisomic individual or variety.
Origin
1930s. Originally from null + -o- + -somic, after monosomic, with first element subsequently remodelled after nulli-.