Science Quiz#1 Chapter 7

14 Questions

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Science Quiz#1 Chapter 7

This is a quiz over chapter 7 in your science book, its all about genetics.


Questions and Answers
  • 1. 
    The study of inheritance is called ________.
  • 2. 
    A ___________ organism comes from a line of ancestors that have had the same traits for many generations.
  • 3. 
    Through his research, Mendel determined that there were two factors for each trait.
    • A. 

      True

    • B. 

      False

  • 4. 
    An organism that has both recessive and dominant factors for a particular trait is a _______.
  • 5. 
    A _____________ is a diagram that helps visualize the inheritance of characteristics.
  • 6. 
    If an Rr dog mates with another Rr dog, what possible combinations might the puppies have?
    • A. 

      All RR

    • B. 

      All rr

    • C. 

      All Rr

    • D. 

      Some of each, RR, Rr, and rr

  • 7. 
    Suppose that for cats, long hair is dominant and short hair is recessive. If a hybrid cat mates with a purebred short-haired cat, what possible combinations could you expect?
    • A. 

      All short-haired kittens

    • B. 

      All long-haired kittens

    • C. 

      Some kittens with short hair and some with long hair

    • D. 

      Some with long, some with short, and some with medium length hair

  • 8. 
    Two traits blending to produce a different trait is an example of ________ __________.
  • 9. 
    The number of boxes in a punnett square shows how many offspring will be produced.
    • A. 

      True

    • B. 

      False

  • 10. 
    When a single trait, such as hair color, is controlled y more than one gene, this is called.
    • A. 

      Sex-linked traits

    • B. 

      Multiple gene inheritance

    • C. 

      Complete dominance

    • D. 

      Incomplete repressiveness

  • 11. 
    What chromosome do human males have that females do not have?
  • 12. 
    Abnormal traits that are passed on through the genes are called __________ ________.
  • 13. 
    Most people who are born with a handicap are being punished for a sin their parents committed.
    • A. 

      True

    • B. 

      False

  • 14. 
    Purebred Andalusian chickens are either white (B¹B¹) or black (B²B²). Use a Punnett square to cross a purebred white chicken with a hybrid (blue). What are the possible genotypes and phenotypes of the offspring?