Non standard nucleotide x in dna

Reference no: EM1386270

Question: Suppose that a team of scientists exploring in the Amazon discover several novel species of bacteria that use a non-standard nucleotide "X" in DNA. To establish if X is pairing with A,T, G, or C they measured the amounts of various nucleotides in several novel bacterial species. Their results are summarized below. What should be their conclusion?

A C T G X

SPP 1 17 32 17 1 33

SPP 2 20 30 21 0 29

SPP 3 8 42 10 2 38

SPP 4 15 35 17 1 32 ***NUMBERS EXPRESSED AS %

A) X pairs with A

B) X pairs with T

C) X pairs with C

D) X pairs with G

E) This table is inconclusive

Reference no: EM1386270

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