1. What are the symptoms of Huntington's Disease?
- 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 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
3. 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
4. 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
5. What is a phenotype?
- A phenotype is a code for making certain proteins
- A phenotype is all the genes an organism displays
- A phenotype is all the genes an organism has