monosome

noun Genetics.

1. a chromosome having no homologue, especially an unpaired X chromosome.
2. a protein-synthetic complex involving the translation of a messenger RNA molecule by a single ribosome.
3. a monosomic individual.

noun

1. an unpaired chromosome, esp an X-chromosome in an otherwise diploid cell

n.

1. A chromosome having no homologue, especially an unpaired X-chromosome.
2. A single ribosome, especially one combined with a molecule of mRNA.