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5 Written questions

5 Matching questions

  1. Punnett square
  2. gene
  3. polygenic trait
  4. segregation
  5. independent assortment
  1. a separation of alleles during meiosis or gamete formation
  2. b trait controlled by two or more genes; shows a wide variety of phenotypes
  3. c principle that genes do not influence each other's inheritance because they are separated independently during meiosis
  4. d diagram that shows the possible results of a genetic cross; parents' gametes on top and left, offsprings' genotypes inside
  5. e section of DNA that codes for a protein and determines a trait

5 Multiple choice questions

  1. inherited two identical alleles for a trait; homozygous or purebred
  2. trait that will only appear in the phenotype if organism inherits two of them; covered up by the dominant gene
  3. physical characteristics of an organism
  4. has two different alleles for a particular trait; hybrid, ex. Pp
  5. three or more alleles exist for a particular trait

5 True/False questions

  1. hybridoffspring of a cross between parents with different traits; heterozygous


  2. codominancetrait that will show up in an organism's phenotype if gene is present


  3. genotypephysical characteristics of an organism


  4. gametesex cell; sperm or egg


  5. nondisjunctionerror in meiosis in which homologous chromosomes don't separate; gametes end up with wrong number of chromosomes


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