Why We Donât Know The Size Of The Transgender Population. In 2001, Kerith Conron was working on LGBT issues in Bostonâs health department. She discovered that homeless transgender people were sleeping on benches because the shelters, which were segregated by gender, didnât know what to do with them.
Chromosome abnormalities usually occur when there is an error in cell division. There are two kinds of cell division, mitosis and meiosis. Mitosis results in two cells that are duplicates of the original cell. One cell with 46 chromosomes divides and becomes two cells with 46 chromosomes each.
On comparison with a normal karyotype, major abnormalities can be discovered in a suspect sample. Irregular numbers of chromosomes and missing or deformed chromatids are easily observed. Many types of gross chromosomal abnormalities have been connected to specific medical syndromes, including mental retardation.