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Compare all the organisms. What trend do you see? The proportions of DNA bases vary greatly among organisms. The proportions of DNA bases are similar in closely related organisms, but different in organisms that are not closely related. The proportions of DNA bases are similar among all organisms.

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The proportions of DNA bases are similar among all organisms.

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Answer:

Option 3. The proportions of DNA bases are similar among all organisms.

Explanation:

  • The DNA is composed of two nitrogen bases called the nucleotide and four nucleobases joined by hydrogen bonds namely:
  1. Adenine (A) 2. Guanine(G) 3. Cytosine (C) 4. Thymine (T)
  • The proportion and the number of the bases and base pairing are the same in all organisms but what makes an organism different is the order in which they're arranged.
  • The DNA coding depends on the order of gene expression determined by a specific arrangement of DNA molecules in each organism.
  • Out of the 3 billion bases found in humans 99% of the bases are similar in all.

For more information:

https://brainly.com/question/19768250

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