monosomy
Concise Oxford English Dictionary © 2008 Oxford University Press:
monosomy /ˌmɒnə(ʊ)ˈsəʊmi/
▶noun Biology the condition of having a diploid chromosome complement in which one (usually the X) chromosome lacks its homologous partner.
– derivatives
monosomic adjective.
monosomic adjective.
'monosomy' also found in these Oxford entries:

