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andreyandreev [35.5K]
3 years ago
8

Some scientists say that genetic mutation are the root of all evolution because

Biology
1 answer:
solniwko [45]3 years ago
8 0
Scientists have tested all the information that this is all about
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Does the distribution of bases in sea urchin DNA and salmon DNA follow Chargaff’s rules? a) Yes, because the %A approximately eq
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Answer:

A. Yes, because the %A approximately equals the %T and the %G approximately equals the %C in both species.

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According to Chargaff's rule, in all cellular DNAs, the number of adenosine residues (A) is equal to the number of thymidine residues (T). And the number of guanosine residues (G) is equal to the number of cytidine residues (C). Therefore, the sum of the purine residues equals the sum of the pyrimidine residues (A+ G= C+ T). It is based on the fact that a purine base always pairs with a pyrimidine base in a double helix DNA.

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