Biology Chapter 9 Quiz

44 Questions | Total Attempts: 214

SettingsSettingsSettings
Please wait...
Chapters Of Biology Quizzes & Trivia

Biology Chapter 9 quiz


Questions and Answers
  • 1. 
    Genes:
    • A. 

      The particular variants of a gene. One parent's allele may code for blue eyes, while the other may code for green eyes

    • B. 

      The hereditary information contained in the DNA of chromosomes that is passed on from each parent from a particular characteristic.

    • C. 

      Individual with identical alleles

  • 2. 
    Alleles:
    • A. 

      The hereditary information contained in the DNA of chromosomes that is passed on from each parent from a particular characteristic.

    • B. 

      The particular variants of a gene. One parent's allele may code for blue eyes, while the other may code for green eyes

    • C. 

      Individual with identical alleles

  • 3. 
    Homozygous:
    • A. 

      When this allele is present, it is always expressed. (PP or Pp)

    • B. 

      Individual with alternate alleles

    • C. 

      Individual with identical alleles

  • 4. 
    Heterozygous:
    • A. 

      Individual with identical alleles

    • B. 

      When this allele is present, it is always expressed. (PP or Pp)

    • C. 

      Individual with alternate alleles

  • 5. 
    Dominant allele:
    • A. 

      When this allele is present, it is always expressed. (PP or Pp)

    • B. 

      Both copies of this allele must be present to be expressed( pp lower case represents the recessive allele)

    • C. 

      Individuals who inherit homozygous alleles.

  • 6. 
    Recessive Allele:
    • A. 

      When this allele is present, it is always expressed. (PP or Pp)

    • B. 

      Individuals who inherit homozygous alleles.

    • C. 

      Both copies of this allele must be present to be expressed( pp lower case represents the recessive allele)

  • 7. 
    Humans have how many gene that make up our protein?
    • A. 

      10,000

    • B. 

      20,000

    • C. 

      30,000

  • 8. 
    Homo means:
    • A. 

      Not the same

    • B. 

      Alike- same

    • C. 

      Recessive gene

  • 9. 
    True Breeders:
    • A. 

      Method to determine if an individual with a dominant trait is homozygous or heterozygous.

    • B. 

      Individuals who inherit homozygous alleles(PP,pp)

    • C. 

      The alleles one inherits

  • 10. 
    Test cross:
    • A. 

      The alleles one inherits P from maternal side and P from paternal side.

    • B. 

      Method to determine if an individual with a dominant trait is homozygous or heterozygous.

    • C. 

      The trait produced by inheritance of alleles for a particular gene

  • 11. 
    Genotype:
    • A. 

      The trait produced by inheritance of alleles for a particular gene

    • B. 

      The alleles one inherits P from maternal side and P from paternal side.

    • C. 

      Individual who has both alternate alleles for a single trait.

  • 12. 
    Phenotype:
    • A. 

      The trait produced by inheritance of alleles for a particular gene(i.e purple flowers. It is what you can see)

    • B. 

      Individual who has both alternate alleles for a single trait.

    • C. 

      The trait produced by inheritance of alleles for a particular gene

  • 13. 
    Monohybrid:
    • A. 

      The alleles one inherits P from maternal side and P from paternal side.

    • B. 

      An individual who has both alternate alleles for two traits

    • C. 

      Individual who has both alternate alleles for a single trait.

  • 14. 
    Dihybrid:
    • A. 

      Individual who has both alternate alleles for a single trait.

    • B. 

      An individual who has both alternate alleles for two traits

    • C. 

      An individual who has both alternate alleles for two traits. ( i.e Pp for color and Rr for round)

  • 15. 
    Mono means how many traits:
    • A. 

      3

    • B. 

      2

    • C. 

      1

  • 16. 
    "Di" in dihybrid means
    • A. 

      2 ( Heterozygous for two traits)

    • B. 

      3

    • C. 

      4

  • 17. 
    Hybrid is:
    • A. 

      Homozygous

    • B. 

      Heterozygous

    • C. 

      Dominate

  • 18. 
    What is the Punnet square?
    • A. 

      A square box

    • B. 

      It is used to diagram the probability of offspring inheriting a particular allele.

    • C. 

      Handing down (1) alele

  • 19. 
    Mendel's Law of Segregation is:
    • A. 

      It states that a sperm or egg caries only one allele for each inherited character because chromosomes carrying allele pairs segregate during gamete formation

    • B. 

      The law that deals with the inheritance of a single character( eye color).

    • C. 

      Sex cells only contain (1) allele

  • 20. 
    How many alleles do sex cells contain?
    • A. 

      3

    • B. 

      4

    • C. 

      1

  • 21. 
    Do alleles always come in pairs?
    • A. 

      Yes

    • B. 

      No

  • 22. 
    Mendel's law of independent assortment is:
    • A. 

      Each pair of chromosomes carrying alleles segregate independently or other pairs of chromosomes carrying alleles during gamete formation.

    • B. 

      Genes located on different chromosome are inherited independently of one another

    • C. 

      There are 8 million possible gene make up

  • 23. 
    Die hybrid cross punnit square has how many boxes?
    • A. 

      8

    • B. 

      4

    • C. 

      16

  • 24. 
    Test cross is how geneticist distinguish genotype?
    • A. 

      True

    • B. 

      False

  • 25. 
    A Blood type is:
    • A. 

      I^B I^B

    • B. 

      I^ I^ 40% of population

    • C. 

      AB- which is rare I^ I^B

    • D. 

      0 absense of A and B factors

Back to Top Back to top