Extra Credit Exam Question Variation

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Extra Credit Exam Question Variation

  1. 1. Extra Credit Exam Style Question An Australian study of 14,000 sets of twins was carried out to see if there was any evidence for a genetic basis for homosexuality. They focused on male, identical twins. Of the study subjects that were homosexual 38% had a twin that was also homosexual. a. Identify how identical twins can arise ................................................................................................................................................ ................................................................................................................................................ 2 marks b. Explain why the researchers were interested in identical twins. ................................................................................................................................................ ................................................................................................................................................ 2 marks c. Suggest a hypothesis for this investigation ................................................................................................................................................ 1 mark d. Suggest a conclusion for this investigation ................................................................................................................................................ 1 mark e. Suggest why such a conclusion may not be seen as valid ................................................................................................................................................ 1 mark
  2. 2. Extra Credit Exam Style Question An Australian study of 14,000 sets of twins was carried out to see if there was any evidence for a genetic basis for h o m o s e x u a l i t y. T h e y focused on male, identical twins. Of the study subjects that were homosexual 38% had a twin that was also homosexual. a. Identify how identical twins can arise ................................................................................................................................................ ................................................................................................................................................ 2 marks b. Explain why the researchers were interested in identical twins. ................................................................................................................................................ ................................................................................................................................................ 2 marks c. Suggest a hypothesis for this investigation ................................................................................................................................................ 1 mark d. Suggest a conclusion for this investigation ................................................................................................................................................ 1 mark e. Suggest why such a conclusion may not be seen as valid ................................................................................................................................................ 1 mark

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