B1 Revision Quiz

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1. What are the symptoms of cystic fibrosis?

  • Breathing difficulty, Chest Infections, Painful Coughing, Difficulty digesting food
  • Tremors, Memory Loss, Clumsiness, Mood changes, Poor concentration
  • Memory Loss, Chest infections, Poor concentration, Breathing difficulty
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2. What causes the development of testes?

  • A gene called androgens is in the embryo whihc causes the development of testes
  • The gene SRY causes androgens to be made which causes the development of testes
  • No proteins are produced so testes are developed

3. What is a gene?

  • A gene is the characteristics an organism displays
  • A gene is a code for making certain proteins
  • A gene is everything an organism displays

4. What is a false positive?

  • 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
  • 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

5. 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
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