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6 Written questions

6 Multiple choice questions

  1. a relationship in which one allele is completely dominant over another
  2. the second generation of offspring, obtained from an experimental cross of two organisms; the offspring of the F1 generation
  3. describes an individual that has two different alleles for a trait
  4. the entire genetic makeup of an organism; also the combination of genes for one or more specific traits (uses letters in problems)
  5. describes the allele that is fully expressed when carried by only one of a pair of homologous chromosomes (brown eyes)
  6. describes 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 True/False questions

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

          

  2. Dihybrid Crossa cross between individuals that have different alleles for the same gene (two characteristics are tracked)

          

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

          

  4. Monohybrid Crossa cross between individuals that have different alleles for the same gene (two characteristics are tracked)

          

  5. 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)

          

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

          

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