PATHOLOGY MCQ
GENETICS AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Genetic disorders are caused by the insertion, deletion, or alteration of segments of DNA. However, in order for scientists to be able to determine which genes are faulty, they must first know the normal sequences of DNA. In 1990, an international effort began to analyze the human DNA sequence.What is the name given to this global research that was completed in 2003?
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The Human Genome Project
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The DNA Revolution
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The National Institute of Health
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The Geneva Conference
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Explanation:
Detailed explanation-1: -For example, scientists can use sequence information to determine which stretches of DNA contain genes and which stretches carry regulatory instructions, turning genes on or off. In addition, and importantly, sequence data can highlight changes in a gene that may cause disease.
Detailed explanation-2: -Insertion. An insertion changes the DNA sequence by adding one or more nucleotides to the gene. As a result, the protein made from the gene may not function properly. Deletion. A deletion changes the DNA sequence by removing at least one nucleotide in a gene.
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