A Guide for Human Geneticists and Clinicians
by
Thomas Liehr, UNIQUE
Language: English
Release Date: November 3, 2011
Human beings normally have a total of 46 chromosomes, with each chromosome present twice, apart from the X and Y chromosomes in males. Some three million people worldwide, however, have 47 chromosomes: they have a small supernumerary marker chromosome (sSMC) in addition to the 46 normal ones. This...