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genetics terminology Test

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of 22 available terms

5 Written Questions

5 Matching Questions

  1. independent assortment
  2. segregation
  3. true-breeding
  4. recessive
  5. incomplete dominance
  1. a principle that genes do not influence each other's inheritance because they are separated independently during meiosis
  2. b trait that will only appear in the phenotype if organism inherits two of them; covered up by the dominant gene
  3. c inherited two identical alleles for a trait; homozygous or purebred
  4. d separation of alleles during meiosis or gamete formation
  5. e creates a blended phenotype; one allele is not completely dominant over the other

5 Multiple Choice Questions

  1. three or more alleles exist for a particular trait
  2. section of DNA that codes for a protein and determines a trait
  3. trait that will show up in an organism's phenotype if gene is present
  4. offspring of a cross between parents with different traits; heterozygous
  5. specific characteristic that varies from one individual to another

5 True/False Questions

  1. Punnett squarediagram that shows the possible results of a genetic cross; parents' gametes on top and left, offsprings' genotypes inside


  2. polygenic traittrait related to a gene that is found on the X or Y chromosomes


  3. allelesex cell; sperm or egg


  4. homozygoushas two different alleles for a particular trait; hybrid, ex. Pp


  5. heterozygoushas two identical alleles for a particular trait; true-breeding or purebred, ex. PP or pp


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