HEREDITY
MUTATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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UAAGCG
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TAAGCG
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TAGGCG
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Detailed explanation-1: -Answer: This is an example of a deletion mutation.
Detailed explanation-2: -Mutations are errors in codons caused by changes in nucleotide bases. Some mutations may not have much effect. For example, if the codon GAA becomes the codon GAG, because the genetic code is degenerate, the codon will still code for the amino acid glutamate. Such ineffectual mutations are called silent mutations.
Detailed explanation-3: -Types of Mutations There are three types of DNA Mutations: base substitutions, deletions and insertions.
Detailed explanation-4: -Definition. A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.