... for a genetic mutation (change) on a specific chromosome. Chromosomes are the parts of your cells that contain ... height and eye color. People normally have 46 chromosomes, divided into 23 pairs, in each cell. One ...

... the placenta. It is used to diagnose certain chromosome and genetic disorders in an unborn baby. Learn ... The test looks for abnormalities in the baby's chromosomes. Chromosomes are parts of cells that contain your ...

... thyroid disease . Down syndrome is a type of chromosome disorder. Chromosomes are the parts of your cells that contain ... height and eye color. People normally have 46 chromosomes, divided into 23 pairs, in each cell. One ...

... at the size, shape, and number of your chromosomes. Chromosomes are parts of cells that contain genes. If the number or structure of your chromosomes is not normal, it can indicate a genetic ...

... more likely to have Down syndrome or another chromosome disorder. Learn more. ... trisomy. A trisomy is a disorder of the chromosomes . Chromosomes are the parts of your cells that ...

... These include cystic fibrosis and Tay-Sachs disease . Chromosome disorders, a type of genetic disorder caused by extra, missing, or abnormal chromosomes. The most common chromosome disorder in the United ...