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6 Written questions

6 Multiple choice questions

  1. a condition in which a trait in an individual is intermediate between the phenotype of the individual's two parents because the dominant allele is unable to express itself fully (different dominance)
  2. a cross between individuals that involves one pair of contrasting traits
  3. the ratio (fraction) of the genotypes that appear in offspring
  4. an organism's appearance or other detectable characteristic that results from the organism's genotype and the environment
  5. describes an individual that has identical alleles for a trait on both homologous chromosomes (both alleles are alike)
  6. describes an individual that has two different alleles for a trait

6 True/False questions

  1. True-Breedingdescribes a trait or an allele that is expressed only when two recessive alleles for the same characteristic are inherited (blue eyes, shows up in the F2 generation)

          

  2. F1 Generationthe first generation of offspring obtained from an experimental cross of two organisms

          

  3. Phenotypic ratiothe ratio of phenotypes produced by a cross

          

  4. Alleledescribes a trait or an allele that is expressed only when two recessive alleles for the same characteristic are inherited (blue eyes, shows up in the F2 generation)

          

  5. Punnett Squarea graphic used to predict the results of a genetic cross (predict the offspring)

          

  6. Complete dominancea condition in which a trait in an individual is intermediate between the phenotype of the individual's two parents because the dominant allele is unable to express itself fully (different dominance)

          

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