THE MOLECULAR BASIS OF INHERITANCE
GENE MUTATION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mutations can be caused by
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A failure of DNA to copy itself correctly
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Radiation
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Chemicals
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All are correct
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Explanation:
Detailed explanation-1: -Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection. Germline mutations (that occur in eggs and sperm) can be passed on to offspring, while somatic mutations (that occur in body cells) are not passed on.
Detailed explanation-2: -Explanation: All the types of errors during DNA replication and damages caused by exposure to radiation or carcinogens leads to mutation.
Detailed explanation-3: -Mutations can be of many types, such as substitution, deletion, insertion, and translocation.
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