To protect vulnerable 16 and 17 year olds, the offences of 'abuse of a position of trust' prohibits sexual contact between adults and children under 18 in schools, colleges and residential care.
Chromosome abnormalities usually happen as a result of an error in cell division. Meiosis is the name used to describe the cell division that the egg and sperm undergo when they are developing. Normally, meiosis causes a halving of chromosome material, so that each parent gives 23 chromosomes to a pregnancy.
Autosomes vs Sex Chromosomes. The most important structures in a cell during division are the chromosomes, which contain DNA. This is because they are responsible for the transmission of the hereditary information from one generation to the next. There are two types of chromosomes. Those are autosomes and sex chromosomes.