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5 Written questions

5 Matching questions

  1. codominance
  2. recessive
  3. gamete
  4. nondisjunction
  5. true-breeding
  1. a trait that will only appear in the phenotype if organism inherits two of them; covered up by the dominant gene
  2. b inherited two identical alleles for a trait; homozygous or purebred
  3. c both genes contribute to the phenotype of the organism, ex. spotted or striped
  4. d error in meiosis in which homologous chromosomes don't separate; gametes end up with wrong number of chromosomes
  5. e sex cell; sperm or egg

5 Multiple choice questions

  1. trait that will show up in an organism's phenotype if gene is present
  2. has two identical alleles for a particular trait; true-breeding or purebred, ex. PP or pp
  3. diagram that shows the possible results of a genetic cross; parents' gametes on top and left, offsprings' genotypes inside
  4. trait controlled by two or more genes; shows a wide variety of phenotypes
  5. three or more alleles exist for a particular trait

5 True/False questions

  1. incomplete dominanceboth genes contribute to the phenotype of the organism, ex. spotted or striped

          

  2. probabilitylikelihood an event will occur

          

  3. independent assortmentdiagram that shows the possible results of a genetic cross; parents' gametes on top and left, offsprings' genotypes inside

          

  4. traitspecific characteristic that varies from one individual to another

          

  5. sex-linked traittrait controlled by two or more genes; shows a wide variety of phenotypes