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5 Written questions

5 Matching questions

  1. heterozygous
  2. Punnett square
  3. probability
  4. true-breeding
  5. incomplete dominance
  1. a likelihood an event will occur
  2. b creates a blended phenotype; one allele is not completely dominant over the other
  3. c inherited two identical alleles for a trait; homozygous or purebred
  4. d has two different alleles for a particular trait; hybrid, ex. Pp
  5. e diagram that shows the possible results of a genetic cross; parents' gametes on top and left, offsprings' genotypes inside

5 Multiple choice questions

  1. both genes contribute to the phenotype of the organism, ex. spotted or striped
  2. error in meiosis in which homologous chromosomes don't separate; gametes end up with wrong number of chromosomes
  3. trait related to a gene that is found on the X or Y chromosomes
  4. trait that will show up in an organism's phenotype if gene is present
  5. trait that will only appear in the phenotype if organism inherits two of them; covered up by the dominant gene

5 True/False questions

  1. polygenic traittrait controlled by two or more genes; shows a wide variety of phenotypes

          

  2. genotypephysical characteristics of an organism

          

  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. multiple allelesthree or more alleles exist for a particular trait

          

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