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5 Written questions

5 Matching questions

  1. polygenic trait
  2. gene
  3. nondisjunction
  4. codominance
  5. hybrid
  1. a error in meiosis in which homologous chromosomes don't separate; gametes end up with wrong number of chromosomes
  2. b both genes contribute to the phenotype of the organism, ex. spotted or striped
  3. c section of DNA that codes for a protein and determines a trait
  4. d trait controlled by two or more genes; shows a wide variety of phenotypes
  5. e offspring of a cross between parents with different traits; heterozygous

5 Multiple choice questions

  1. specific characteristic that varies from one individual to another
  2. diagram that shows the possible results of a genetic cross; parents' gametes on top and left, offsprings' genotypes inside
  3. trait that will only appear in the phenotype if organism inherits two of them; covered up by the dominant gene
  4. likelihood an event will occur
  5. trait that will show up in an organism's phenotype if gene is present

5 True/False questions

  1. genotypegenetic makeup of an organism


  2. phenotypephysical characteristics of an organism


  3. alleleform of a gene


  4. heterozygoushas two different alleles for a particular trait; hybrid, ex. Pp


  5. gametesection of DNA that codes for a protein and determines a trait


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