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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. the ratio of phenotypes produced by a cross
  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 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)
  6. a cross between individuals that involves one pair of contrasting traits

6 True/False questions

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

          

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

          

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

          

  4. 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)

          

  5. Genotypic ratiothe ratio of phenotypes produced by a cross

          

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