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Transcript
NAME ___________________________
AP Biology: CHAPTER 14- MENDEL AND THE GENE IDEA
Watch the video to Review Punnett Squares
https://www.youtube.com/watch?v=Y1PCwxUDTl8
https://www.youtube.com/watch?v=NWqgZUnJdAY
Complete Genetics Practice 1: Basic Mendelian Genetics
1. List a few of the advantages of Mendel’s choice of the garden pea as a model organism.
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2. Use the diagram to label the generations: P, F1, F2, pure, hybrid, and make notes of Mendel’s
observations.
3. Using the diagram in Question 3, describe how the Law of Segregation applies to the F1 and to the F2
generations.
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4. When does the segregation of alleles occur? __________________________________
5. What is the difference between an allele and a gene?
a. allele _______________________________________________________________
b. gene _______________________________________________________________
6. Briefly define the following terms:
a. homozygous __________________________________________________________
b. heterozygous _________________________________________________________
c. phenotype ____________________________________________________________
d. genotype ____________________________________________________________
7. What is the purpose of a test cross? ________________________________________
_____________________________________________________________________
8. When two traits are on different (non-homologous) chromosomes, how are they inherited?
_____________________________________________________________________
9. Describe and give an example of incomplete dominance. ________________________
_____________________________________________________________________
_____________________________________________________________________
10. How does codominance compare to incomplete dominance? ______________________
_____________________________________________________________________
_____________________________________________________________________
11. How is blood type an example of multiple alleles? _____________________________
_____________________________________________________________________
_____________________________________________________________________
12. Define and give an example of pleiotropy. ____________________________________
_____________________________________________________________________
13. Define and give an example of epistasis. _____________________________________
_____________________________________________________________________
14. What is observed when traits are polygenic? _________________________________
_____________________________________________________________________
15. The expression of phenotypes is often a result of both “Nature and Nurture”.
Explain what that means
_____________________________________________________________________
_____________________________________________________________________
16. Briefly describe each of the following genetic disorders:
a. Cystic fibrosis ________________________________________________________
_____________________________________________________________________
b. Tay-Sachs ___________________________________________________________
_____________________________________________________________________
c. Sickle cell anemia ______________________________________________________
_____________________________________________________________________
d. Achondroplasia ________________________________________________________
_____________________________________________________________________
e. Huntington’s disease ___________________________________________________
_____________________________________________________________________
Watch Bozeman video on Virtual Fruit Fly Lab
https://www.youtube.com/watch?v=p9MpMr8qAAQ&feature=youtu.be
Virtual Fruit Fly Lab : Get direction sheet and complete
h ttp://www.sciencecourseware.org/vcise/drosophila/
Modified from: Reading guide by Lynn Miriello