Two organisms containing identical GC ratios are not necessarily related.

Name: Two organisms containing identical GC ratios are not necessarily related.
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Quizplus · Accepted Answer

The GC ratio indicates the percentage of guanine and cytosine nucleotides in an organism's DNA. Two organisms can have the same GC ratio even if they are not closely related. Other factors such as gene sequences, morphological features, and ecological niches can be used to determine relatedness between organisms.

Two Organisms Containing Identical GC Ratios Are Not Necessarily Related