DIAGNOSIS AND OCCURANCE
Turner’s syndrome is a chromosomal condition which occurs in women due to an incomplete meiotic division. It results in the sex chromosome being incomplete and results in an ‘XO’ in the 23rd pair instead of the regular ‘XX’. This results in the birth of a female with Turner’s syndrome – resulting in a short stature, infertility, heart defects and learning disabilities. As Turner’s syndrome is due to an incomplete meiosis division, it is random and not hereditary. This affects 1 in 2000 baby girls.
During regular meiosis, in interphase the DNA is replicated once, the chromosomes will find their homologous pairs and complete ‘crossover’ this is the prophase. During metaphase, the homologous chromosomes will attach to spindle fibres at the centromere that are attached to centrioles at are situated at the poles of the cell. They then will be separated during anaphase, however, when an offspring is born with Turner’s syndrome the separation is unsuccessful in the female and thus the cell does not separate into 2 identical daughter cell during this first division, yet, it is successful during the second division resulting in two XX chromosomes and two O chromosomes (Figure 1).
Turner’s syndrome has …show more content…
Hormones can be inserted into the victim so they can growth properly, as after 5 years old the Turner’s syndrome victim stops growing and growth hormone can be injected every night so the victim grows to five feet tall. Growth hormone is injected into the body, where the endocrine master gland, the pituitary gland, will send neuronic signals to the liver to produce more Insulin Growth Factor (IGF) which boost anabolic properties in order to simulate body growth (National Human Genome Reseach Institute,