B1 Revision Quiz

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1. What is a false negative?

  • This is when the test has failed to detect a certain allele or faulty chromosome so the person thinks that they do not have a genetic disorder when they do
  • This is when a genetic test has wrongly detected a certain allele or a faulty chromosome so the person thinks that they have a genetic disorder when they don't
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2. What is 'homozygous'?

  • Two alleles the same
  • Two different alleles

3. What are Clones?

  • Clones are genetically identical organisms
  • Clones are identical twins
  • Clones are organisms within a species that have similar characteristics

4. What is a phenotype?

  • A phenotype is all the genes an organism displays
  • A phenotype is all the genes an organism has
  • A phenotype is a code for making certain proteins

5. What can embryonic stem cells be used for?

  • replacing faulty heart muscle cells, insulin producing cells for diabetes and nerve cells fro paralysed people
  • to treat blood diseases, maintaining and repairing old, damaged tissues, leukaemia

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