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.
A chromosomal mutation is a mutation involving a long segment of DNA, it is a any change in the structure or arrangement of the chromosomes. These mutations can involve deletions, insertions, or inversions of sections of DNA. gene mutation can be acquired throughout life or it is genetic ex sickle cell anemia chromsome mutations have more pronounced effects and are due to a change in the number â¦ of chromosomes or a change in the structural effect that are inherited.. ex downs syndrom. 3 people found this useful.