BI226 Lecture Notes - Egg Cell, Klinefelter Syndrome, Triple X Syndrome
Document Summary
Nondisjunction one x did not go to one pole, both did causing the fusion of the x,x, and y. There will then be one gamete that has no x or y. Can occur in either the mother or the father. Turner syndrome 45, xo the sister event to klinefelter because it results from the same non-disjunction event. The ears and eyes are usually sitting a little bit lower on the facial structure. The instance of turner syndrome is much lower then that of klinefelter and 47, xxx. As we start to add more and more xs, the severity of the condition increases. Patricia jacobs came out with a study showing the correlation between xyy and criminal record. They set up a study and would identify babies that were xyy and would follow them through their birth. The issue of once you tag someone as something, you set them on th course to follow the stereotypes.
