President Obama gave transgender Americans a notable mention in the SOTU. But lack of data is holding back policy that could help. In May, Orange is the New Black transgender star Laverne Cox appeared on the cover of Time. Earlier this month, Amazonâs âTransparent,â which focuses on a family with a transgender father, won the Golden Globe for best comedy series.
Chromosomal abnormalities are caused by errors in the number or structure of chromosomes. These errors in the number of chromosomes occur during cell division. There are two kinds of cell division. Mitosis results in two cells that are duplicates of the original cell. This kind of cell division occurs throughout the body, except in the reproductive organs.
Most cases of 47,XYY syndrome are not inherited. The chromosomal change usually occurs as a random event during the formation of sperm cells. An error in cell division called nondisjunction can result in sperm cells with an extra copy of the Y chromosome.