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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. a relationship in which one allele is completely dominant over another
  3. describes organisms or genotypes that are homozygous for a specific trait and thus always produce offspring that have the same phenotype for that trait (always produces offspring with the same trait)
  4. one 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)
  5. a cross between individuals that involves one pair of contrasting traits
  6. the ratio (fraction) of the genotypes that appear in offspring

6 True/False Questions

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

          

  2. Dihybrid Crossa cross between individuals that involves one pair of contrasting traits

          

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

          

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

          

  5. Recessiveone 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)

          

  6. P Generationparental generation, the first two individuals that mate in a genetic cross (parents)

          

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