Chapter 9: Patterns of Inheritance

Answer Key Below

Below you can find the answers to "Chapter 9: Patterns of Inheritance" -- just scroll down and find which ones you got wrong. Then you can explore the rest of the site.

  1. when we talk about phenotype, we are talking about ______.
    • what we see
    • what we letters we use
    • the ratio
  2. XX is a _______ genotype
    • Female
    • Male
    • Unknown
  3. Individuals who have one copy of a recessice allele bue does not "show" or express it is called a _______.
    • Genotype
    • Carrier
    • Phenotype
  4. ___________ occurs during meiosis 1 or meiosis 2 when homologous chromosomes fail to seperate.
    • True breeding
    • Non-disjunction
    • Testcross
  5. ____________ : One less chromosome
    • Polyploidy
    • Trisomy
    • Monosomy
  6. ______________ : three chromosomes
    • Trisomy
    • Polyploidy
    • Monosomy
  7. ___________ : Multiple extra chromosomes.
    • Trisomy
    • Polyploidy
    • Monosomy
  8. A sperm or egg carries only one allele for each inherited characteristic because the two members of an allele pair seperated from each other during the production of gametes
    • Law of independent assortment
    • True Breeding
    • Law of segregation
  9. The inheritance of one characteristic has no effect on the inheritance of another.
    • Law of independent assortment
    • True Breeding
    • Law of segregation
  10. A mating between an individual of dominant phenotype but unknown genotype and a homozygous recessive individual.
    • True Breeding
    • Law of independent assortment
    • Testcross
  11. Purebred varieties. Varieties that went through self-fertilization and produced offspring identical to the parent.
    • Testcross
    • Law of independent assortment
    • True Breeding

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