THE ANSWER IS MOST LIKELY GOING TO BE B
I believe that substance would be water.
Let's calculate the difference in nucleotides. The number of difference multiplied by rate of mutations will help to determine how long ago these two species shared a common ancestor.
Species A: GTACCTAAGTTCACCGAATT
Species B: GAACCTAAGGGCACCGAACT
These species differ in 4 nucleotides.
This number should be multiplied <span>by </span>the rate of mutations
You didn’t put in the full question with what you were given. I hope this helps show you how to answer the question. Sorry it’s messy
Answer: The resulting proteins made by the human gene are similar to the proteins made by the mouse gene.
Just took the test.