Answer
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Hint:Firstly, let us understand what transversion is. Transversion is a DNA mutation phenomenon where a purine is changed into pyrimidine or vice versa.
Complete Answer:
In molecular biology, during DNA mutation the single two ringed purine is converted into one ring pyrimidine or vice versa. The process is called transversion. The nitrogenous bases adenine and guanine constitute purine whereas thymine and cytosine constitute pyrimidine.
Additional information: In molecular biology, during mutation,one purine is replaced by another purine or one pyrimidine is replaced by another that is adenine is replaced by guanine and thymine is replaced by cytosine. This phenomenon is known as transition.
Therefore the correct answer is (b)Purine is replaced by pyrimidine or vice versa.
Note: Remember that both transition and transversion are point mutation. During mutation of DNA, if transition and transversion results in,
-> No change in the protein sequence, it is called as silent mutation
-> If there is a change in the sequence of amino acid, it is called as missense mutation
-> If it creates a stop codon, it is called a nonsense mutation.
->If there is insertion or deletion of protein sequence, it is called frameshift mutation.
Complete Answer:
In molecular biology, during DNA mutation the single two ringed purine is converted into one ring pyrimidine or vice versa. The process is called transversion. The nitrogenous bases adenine and guanine constitute purine whereas thymine and cytosine constitute pyrimidine.
Additional information: In molecular biology, during mutation,one purine is replaced by another purine or one pyrimidine is replaced by another that is adenine is replaced by guanine and thymine is replaced by cytosine. This phenomenon is known as transition.
Therefore the correct answer is (b)Purine is replaced by pyrimidine or vice versa.
Note: Remember that both transition and transversion are point mutation. During mutation of DNA, if transition and transversion results in,
-> No change in the protein sequence, it is called as silent mutation
-> If there is a change in the sequence of amino acid, it is called as missense mutation
-> If it creates a stop codon, it is called a nonsense mutation.
->If there is insertion or deletion of protein sequence, it is called frameshift mutation.
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