Study your notes, do these Genetics Activities, and watch (or re-watch) the videos below to help you prepare for the exam tomorrow.
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Punnet Squares Pedigrees DNA and RNA (Protein Synthesis)
Gold Tape Question: There is one week left for genetics gold tape opportunities, including the crossword, dragon breeding, and DNA extraction. Here is this week's question. One piece of Gold Tape for anyone who emails Mr. Powell ([email protected]) the answer before school starts Monday.
In class we have looked at several pedigrees for Huntington's Disease. What gene is responsible for Huntington's Disease and who is the famous folk singer whose death inspired more research on Huntington's Disease? Pedigrees are one of the more challenging concepts to wrap your head around in genetics. The basics of pedigrees, what the symbols and charts represent are easy, however interpreting and creating the pedigrees from a description can be quite the task. Today in class students tried their hand at pedigrees not just with pen and paper but with Swedish fish and gummi bears. The fish were "female" and the bears were "boys" and by reading about the family history, students were able to assemble pedigrees using their candy to represent the family members, with their color(s) representing their genotype.
One of the most famous model organisms in the field of genetics is Drosophila melanogaster better known as the common fruit fly. Through his work with fruit flies Thomas Hunt Morgan made many discoveries about how genes interact as well as how certain traits can be sex-linked (appearing only on one type of sex chromosome). In class we did our own work with fruit flies using an interactive digital lab. Click on the fruit fly to go to the digital lab. GOLD TAPE QUESTION (Activity)This week's GTQ is actually an activity. Your task is to extract DNA at home. Follow the directions in the attached pdf or just follow along with this video then take a picture of yourself with your lab materials and your extracted DNA (you can be creative with how you take the picture) You will receive 2 pieces of gold tape for your picture/pictures and an additional piece of gold tape for a written conclusion to your lab. You can write about what you learned, what worked or what didn't, and how you think this technique might have additional uses other than just being a fun at home science activity. Good luck! Ask/Check with your parents before you do this activity and always wear safety glasses and use safe lab procedures
Congratulations on completing your first genetics quiz. We will begin learning new material tomorrow!
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AuthorMr. Powell is a High School Science Teacher in Western Colorado. Archives
May 2024
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