AP BiologyName ______

Chapter 10 Guided Reading Assignment

  1. Define the following terms:
  2. Character
  3. Trait
  4. True-breeding
  5. Hybridization
  6. P generation
  7. F1 generation
  8. F2 generation
  9. Alleles
  10. Punnett Square
  11. Homozygous
  12. Heterozygous
  13. Phenotype
  14. genotype
  15. In your own words, what is Mendel’s Law of Segregation?
  16. What is the purpose of a monohybrid cross and a dihybrid cross.
  1. What is the Law of Independent Assortment and how does this “law” relate to meiosis?
  2. Write your own example for the Law of Independent Assortment.
  3. Define and then explain in your own words both the Rules of Multiplication and the Rules of Addition. What is their purpose in genetics?
  4. Contrast codominance and incomplete dominance.
  5. Why do we need to look at genetics at both organismal and the molecular level?
  6. Does having a dominant allele mean that it will be found in greater frequency in the population?
  7. What are multiple alleles?
  8. What does the term Pleiotropy mean?
  9. In your own words, explain epistasis.
  10. What would be your “clue” that a character would have polygenic inheritance pattern?
  11. What is a pedigree and how does it help in our understanding of genetics?
  12. What is the chromosomal basis of inheritance?
  13. What does wild type mean?
  14. Why was Morgan’s choice of fruit fly such a good one for genetic experiments?
  15. How did Morgan associate traits with the sex of the fruit fly?
  1. What does it mean when genes are linked or we can say there is linkage?
  2. In what step of meiosis, would recombinants form and why?
  3. What is the difference between a genetic map, a linkage map and a cytogenetic map?
  4. Explain the chromosomal basis of sex determination in the following organism:
  5. Mammals
  6. Grasshoppers
  7. Birds and some fish
  8. Bees and ants
  9. What is the SRY gene and why is it important? p 226
  10. What is a sex-linked gene?
  11. What is X inactivation?
  12. Why are most Calico cats female?
  13. What is nondisjunction and when in meiosis can it occur?
  1. Label the following alterations in chromosomal structure. Define the term alongside the diagram. These terms will be used in the coming chapters.

  2. Explain the following human disorders that result from chromosomal alterations.
  3. Down Syndrome
  4. Klinefelter Syndrome
  5. Turner Syndrome
  6. What is genomic imprinting?
  7. What are extranuclear genes?
  8. What are two diseases carried in maternal mitochondria?

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