Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.
Are you asking for DNA or chromosomes or something? You asked for which of the following but then dont give the following
The first choice is correct
Answer:
thanks
Explanation:
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DNA, cell membrane, cytoplasm, and ribosomes
