Differences in DNA between individuals of the same species can be exploited for identification and diagnosis of heritable conditions

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6 Terms

1
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DNA probe

Short, single stranded pieces of DNA that are labelled radioactively or fluorescently so they can be located

2
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What does the tank contain in genetic screening?

Ionic salt solution

3
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What is added to the agar gel after it is removed from the tank and why?

  • Sodium hydroxide

  • Separates DNA into single strands

4
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What are the 2 main purposes of genetic counselling?

  • Helps individuals make informed decisions regarding health, reproduction and lifestyle after genetic screening

  • Advises patients about genetic screening

5
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Give two examples of what genetic screening can screen for

  • Genetic disorders

  • Presence of cancer causing oncogenes

6
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Give two benefits of personalised medicine

  • Alleles can determine most effective dose if medicine

  • Alleles can determine individual drug responses