Sunday, November 17, 2013

Human karyotyping

This week was a short week in science because there was no school on Monday. That does not mean the short week was not loaded with lots of learning and fun as usual! On Tuesday we learned the difference between sex cells and body cells and the different processes such as meiosis and mitosis. We also learned about the chromosome theory of inheritance. We had our Chapter quiz on Punnett squares, probability, heredity, genetics and also alleles. I really liked the Spongebob Punnett square page. That was fun! I was prepared for the quiz because I reviewed more carefully and studied my definitions. I realized while reviewing that trying to read the class notes from the class website was more challenging than I thought, so I had to print out the notes. In the future, I can improve in my notes preparation and make this less of a hassle if I print the notes ahead of time.
On Thursday we did a lab showing us how to make our own human karyotype. We did two karyotypes. One was normal and the other was abnormal. We had to determine the abnormality by looking at the number of chromosomes. We continued on Friday with karyotyping. We did a lab that showed us how karyotypes were put together and their purpose. We cut chromosomes and matched them from tallest to shortest and determined the abnormalities in the cell to determine the disease.
This week I was fascinated with genetics and how it causes disease in offspring and so I researched human karyotyping and found this website by the University of Utah that explained the process of using karyotyping to predict genetic disorders even more and I was able to play some of the games.

http://learn.genetics.utah.edu/content/begin/traits/predictdisorder/

I have also attached pictures of my dna model and others as well as class activities this week.




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