Question

If the amino acid sequences in homologous proteins of two organisms are similar, what can you conclude about the DNA of the two organisms?

Answer 1

They are very similar organisms. They are more related to each other. They have a very close common ancestor. 

Answer 2

Amino acids are the building blocks of proteins and also play a crucial role in transmitting genetic information.

What can be concluded about the DNA of two organisms sharing the same amino acid sequences?

• DNA is the genetic material, which holds the information about the whole genome of an individual.

• The organisms having similar amino acid sequences in the homologous proteins, it can be concluded that the organisms are closely related or have evolved from the same ancestry.

Thus, the organisms sharing the same DNA sequences can be considered as closely related.

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