Sugars link together by phosphates to create the backbone of the DNA or RNA molecule. Genetic information is carried and stored in the sequence of nucleic acid bases along a chain of DNA or RNA. When cells duplicate inside of the human body, DNA is replicated through RNA in order to give the new cell a new set of DNA.
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Your answer is A: these two organisms have the same amino acid sequences, which suggests common ancestry
Answer:
The scientific investigation is the systematic approach of the scientists to answer the questions about the world. It is applied almost all of the theories including the Theory of Natural Selection. Darwin's theory of evolution is a result of scientific investigation. In this theory, they investigate by observing the distribution of species.
