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5 Written questions

5 Matching questions

  1. polymerase chain reactions (PCR)
  2. nondisjunction
  3. operator
  4. transcription factors
  5. enhancers
  1. a site where repressor binds to chromosome; blocks transcription
  2. b proteins that assist the binding of RNA polymerase
  3. c bind to activators
  4. d way to amplify source of DNA
  5. e when an entire homologous pair and one homologue are pulled in Anaphase I of meiosis; result is that one cell has 3 chromatids

5 Multiple choice questions

  1. variation of a gene
  2. when nucleotides are inserted into DNA
  3. result of insertion/deletion; change each amino acid produced
  4. when part of DNA is flipped 180° in a chromosome
  5. molecule an enzyme acts on

5 True/False questions

  1. ligaseplace on chromosome where gene is found


  2. substitutionmolecule an enzyme acts on


  3. chorionic villi samplingsampling cells of the chorion to retrieve fetal cells


  4. tailat 5' end of mRNA


  5. amniocentesissampling amount of amniotic fluid to retrieve fetal cells