Base substitution caused by base analogs is k | vedclass

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(A) Base analogs are chemical compounds that are structurally similar to normal nitrogenous bases of $DNA$. Because of their structural similarity,the

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Transition

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(A) Base analogs are chemical compounds that are structurally similar to normal nitrogenous bases of $DNA$. Because of their structural similarity,they can be incorporated into the $DNA$ molecule during replication in place of the normal bases. For example,$5$-bromouracil ($5$-$BU$) acts as an analog of thymine and can pair with guanine instead of adenine. This leads to a point mutation where one purine is replaced by another purine or one pyrimidine is replaced by another pyrimidine. This specific type of base substitution is known as $Transition$.

Base substitution caused by base analogs is known as:

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