PATHOLOGY MCQ
GENETICS AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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(3.1) In the 1940s and 1950s, scientists did experiments to determine the molecule responsible for heredity. Their experiments demonstrated that the molecule that encodes and transmits information in organisms is
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glucosamine.
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insulin.
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DNA
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vitamin D.
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Explanation:
Detailed explanation-1: -Figure 4: Oswald Avery’s work helped establish DNA as hereditary material. Data from Avery’s experiments.
Detailed explanation-2: -Biologists in the 1940s had difficulty in accepting DNA as the genetic material because of the apparent simplicity of its chemistry. DNA was known to be a long polymer composed of only four types of subunits, which resemble one another chemically.
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