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Two segments of DNA have the exact same number of each nucleotide. Do they necessarily code for the same protein?

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User Shanieka
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2 Answers

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Final answer:

No, two segments of DNA with the exact same number of each nucleotide do not necessarily code for the same protein. The coding sequence in DNA is determined by combinations of nucleotides called codons. While it is possible for two DNA segments to have the same number of each nucleotide, it is highly unlikely for them to have the same arrangement of codons, which would result in different proteins being coded for.

Step-by-step explanation:

No, two segments of DNA with the exact same number of each nucleotide do not necessarily code for the same protein. The coding sequence in DNA is determined by combinations of nucleotides called codons. Each codon consists of three nucleotides and corresponds to a specific amino acid in a protein. While it is possible for two DNA segments to have the same number of each nucleotide, it is highly unlikely for them to have the same arrangement of codons, which would result in different proteins being coded for.

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User Phuong LeCong
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No because the order of the different nucleotides may be different in which means that the order of the amino acids may be different and thus leading to different proteins.

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