HEREDITY
MUTATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A Mutation is:
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a chemical that kills cells
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a process that reads DNA
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a change in the nucleotide sequence of DNA
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a type of enzyme
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Explanation:
Detailed explanation-1: -(myoo-TAY-shun) Any change in the DNA sequence of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment. Mutations can be harmful, beneficial, or have no effect.
Detailed explanation-2: -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. A deletion changes the DNA sequence by removing at least one nucleotide in a gene.
Detailed explanation-3: -There are three types of DNA Mutations: base substitutions, deletions and insertions.
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