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6 Written questions

6 Multiple choice questions

  1. the second generation of offspring, obtained from an experimental cross of two organisms; the offspring of the F1 generation
  2. the ratio (fraction) of the genotypes that appear in offspring
  3. describes an individual that has two different alleles for a trait
  4. 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)
  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 relationship in which one allele is completely dominant over another

6 True/False questions

  1. Dominantdescribes the allele that is fully expressed when carried by only one of a pair of homologous chromosomes (brown eyes)

          

  2. Alleledescribes 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)

          

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

          

  4. Punnett Squarea graphic used to predict the results of a genetic cross (predict the offspring)

          

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

          

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