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The science class was studying genetics at school and Arya came home in tears. She told...

  1. The science class was studying genetics at school and Arya came home in tears. She told her older sister, “We were doing our family tree and when I filled in our traits, I discovered that Mom and Dad can’t be my real parents ’cause the traits don’t match!” It turns out that Mom and Dad can roll their tongues but Arya can’t. Could Mom and Dad still be Arya’s parents?
  2. Tyrion has smoked cigarettes for years and is having breathing difficulties. He has been diagnosed with emphysema. Describe specific kinds of structural changes you would expect to observe in Tyrion’s respiratory system. How are air flow and gas exchange affected by these structural changes?
  3. Sansa was diagnosed with exercise-induced asthma after she reported trouble catching her breath during a swim meet. Exercise-induced asthma is a particularly annoying condition for an athlete because the body’s response to exercise is the exact opposite of the body’s need. Explain this statement.

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Nightingale answered 2 years ago
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