Here one pair is represented by one chromosome, this is called monosomy (Turner syndrome = one X and absent Y chromosome).    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

The most common abnormality is monosomy of chromosome 22.    From Wordnik.com.  [Your Right Hand Thief] Reference

These will result in monosomy or trisomy, and these will usually not come to term.    From Wordnik.com.  [Dog Bites Man - The Panda's Thumb] Reference

monosomy X, called Turner syndrome, occurs about once in every 5000 births and is the only known viable monosomy in humans.    From Wordnik.com.  [Americans Barely Pass Science Quiz - The Panda's Thumb] Reference

Can someone explain to me how it produces monosomy and trisomy?.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

The fetus had an abnormal cytogenetic profile with monosomy of chromasome no. 8? en Español.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

Slide 21: Numerical Abnormalities  When an individual is missing either a chromosome from a pair (monosomy) or has more than two chromosomes of a pair (trisomy).    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

25 The combination of monosomy and / or deletion of chromosome.    From Wordnik.com.  [Naturejobs - All Jobs] Reference