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6 Written questions

6 Multiple choice questions

  1. an organism's appearance or other detectable characteristic that results from the organism's genotype and the environment
  2. the first generation of offspring obtained from an experimental cross of two organisms
  3. the ratio (fraction) of the genotypes that appear in offspring
  4. 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)
  5. describes an individual that has identical alleles for a trait on both homologous chromosomes (both alleles are alike)
  6. describes the allele that is fully expressed when carried by only one of a pair of homologous chromosomes (brown eyes)

6 True/False questions

  1. P Generationthe first generation of offspring obtained from an experimental cross of two organisms

          

  2. Alleleone of the alternative forms of a gene that governs a characteristic, such as hair color (genes occur in pairs-two letters, each letter is an allele)

          

  3. Punnett Squarean organism's appearance or other detectable characteristic that results from the organism's genotype and the environment

          

  4. Phenotypic ratiothe ratio (fraction) of the genotypes that appear in offspring

          

  5. 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)

          

  6. Heterozygousdescribes an individual that has two different alleles for a trait

          

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