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6 Written questions

6 Multiple choice questions

  1. 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)
  2. the ratio (fraction) of the genotypes that appear in offspring
  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. the first generation of offspring obtained from an experimental cross of two organisms
  5. describes an individual that has two different alleles for a trait
  6. 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)

6 True/False questions

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

          

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

          

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

          

  5. Incomplete dominancea relationship in which one allele is completely dominant over another

          

  6. Monohybrid Crossa cross between individuals that involves one pair of contrasting traits