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Rainbow [258]
3 years ago
7

What would happen to the DNA molecule if the pairing was non-complementary, in other words, the two purines (adenine and guanine

) paired with one another and likewise the two pyrimidines (thymine and cytosine) paired with each other.
Biology
1 answer:
7nadin3 [17]3 years ago
6 0

If the base-pairing in DNA becomes non-complementary such that purine bases can pair with one another and pyrimidine bases can pair with one another, the 1:1 ratio of purine to pyrimidine bases in DNA will no longer hold.

Due to the complementary base-pairing rule, the ratio of purine to pyrimidine bases in DNAs is usually 1:1. This is because Adenine always pairs with Thymine while Guanine always pairs with Cytosine.

Once this base-pairing rule is removed and becomes purine-purine and pyrimidine-pyrimidine pairings, then it becomes unnecessary for the ratio of purine to pyrimidine bases to be 1:1.

More on Chargaff's rule can be found here: brainly.com/question/19156457

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