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6 Written questions

6 Multiple choice questions

  1. 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)
  2. 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)
  3. describes the allele that is fully expressed when carried by only one of a pair of homologous chromosomes (brown eyes)
  4. describes an individual that has identical alleles for a trait on both homologous chromosomes (both alleles are alike)
  5. parental generation, the first two individuals that mate in a genetic cross (parents)
  6. a cross between individuals that have different alleles for the same gene (two characteristics are tracked)

6 True/False questions

  1. Phenotypethe entire genetic makeup of an organism; also the combination of genes for one or more specific traits (uses letters in problems)

          

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

          

  3. Heterozygousdescribes an individual that has identical alleles for a trait on both homologous chromosomes (both alleles are alike)

          

  4. Genotypean organism's appearance or other detectable characteristic that results from the organism's genotype and the environment

          

  5. 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)

          

  6. F2 Generationthe second generation of offspring, obtained from an experimental cross of two organisms; the offspring of the F1 generation