AP Bio Ch 12 Chromosome & Genes

8 Questions | Total Attempts: 106

SettingsSettingsSettings
AP Biology Quizzes & Trivia

In chapter 12 of the AP Biology class we got to cover chromosomes and genes in the human body. A chromosome contains hundreds to thousands of genes. Take up the quiz below on this chapter and remind yourself on what we covered before the assessment test coming up next week.


Questions and Answers
  • 1. 
    Marfan's disease in humans, with its numerous effects, is an example of
    • A. 

      Dominance modification.

    • B. 

      Incomplete dominance.

    • C. 

      Epistasis.

    • D. 

      Pleiotropy.

    • E. 

      Polygenic inheritance.

  • 2. 
    A classical example of multiple alleles is
    • A. 

      Coat color spotting in cattle.

    • B. 

      Height in garden peas.

    • C. 

      Pink flowers in heterozygous snapdragons.

    • D. 

      Coat color in rabbits.

    • E. 

      Albinism in humans and animals.

  • 3. 
    What causes Down syndrome?
    • A. 

      The lack of pigment production

    • B. 

      An extra chromosome 21

    • C. 

      The presence of two different codominant alleles

    • D. 

      Inability to produce normal connective tissue

    • E. 

      The environment interacting with the genotype

  • 4. 
    What is the hereditary cause of type AB blood?
    • A. 

      The lack of pigment production

    • B. 

      An extra chromosome 21

    • C. 

      The presence of two different codominant alleles

    • D. 

      Inability to produce normal connective tissue

    • E. 

      The environment interacting with the genotype

  • 5. 
    A human male has ____ chromosomes with ____ sex chromosomes.
    • A. 

      46, XY

    • B. 

      48, XY

    • C. 

      46, XX

    • D. 

      48, XX

    • E. 

      48, YY

  • 6. 
    Different pairs of recessive alleles can interfere with a biochemical pathway and thus produce albinism.
    • A. 

      True

    • B. 

      False

  • 7. 
    A small number of recombinants will occur due to crossing over between linked genes on homologous chromosomes.
    • A. 

      True

    • B. 

      False

  • 8. 
    Trisomy occurs when a chromosome, usually an autosome, is lost during meiosis.
    • A. 

      True

    • B. 

      False