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Homework answers / question archive / University of Tennessee BIOL 240 Chapter 2 1)WhatorganismdidMendelstudyto workoutthebasisof genetics?Why? 2
University of Tennessee
BIOL 240
Chapter 2
1)WhatorganismdidMendelstudyto workoutthebasisof genetics?Why?
2. What is the blending theory? How did Mendel disprove this? Whastt iLsaMwe?ndel’s 1 What is Mendel’s 2nd Law?
3. What is meant by pure-breeding?
4. Understand the nomenclature: P, F1, F2, F3, etc.
5. When pure-breeding monohybrid plants are crossed, then the F1s are crossed, what are the phenotypic and genotypic outcomes of such a cross?
6. What are replicate crosses, reciprocal crosses and testcrosses?
7. What is dominant? What is recessive?
8. What are homozygotes? What are heterozygotes?
9. What is a Punnett square? Be able to construct and read a simple Punnett square.
10. According the Mendel’s Law of Segregation, what would be the expected outcome of performing a testcross with a heterozygote?
11. Dihybrid and trihybrid crosses give some indication into the Law of Independent Assortment? What is that law?
12. What is the typical phenotypic ratio of the F2 generation of a dihybrid cross between two pure-breeding parents and then those F1s are selfed?
13. How do you use the product rule? What about the sum rule? What’s the difference between them? What is conditional probability? Be able to work a simple problem involving these rules?
14. What is a chi-square test used for? What is the typical value of this type of test?
15. What is the difference between autosomal inheritance and sex- linked inheritance?
16. What are pedigrees? Be able to analyze a simple pedigree.
17. What is the difference between autosomal dominance and autosomal recessive?
18. What are diploids? What are haploids?
19. Who is Thomas Hunt Morgan? What was his contribution?
20. What is meant by hemizygous?
21. What is X-linked dominant and X-linked recessive? What is Y- linked inheritance?
