The number of years ago at which specie A and B diverge from a common ancestor is 1,000,000 years. Option A is correct.
<h3>What is mitochondrial? </h3>
The mitochondrial is the structure in the cells whose main function is to convert the energy from the food in such a form that the cell can use.
A geneticist was able to reconstruct a sequence of mitochondrial dna of a prehistoric insect that was encased in amber.
A segment of this dna in species <em>A</em> was found to have the sequence AGGTCCTAAG. Species <em>B</em> has the dna sequence AGGTCCGAAG. Thus, the sequence is,
- Species <em>A- </em>AGGTCCTAAG.
- Species <em>B-</em> AGGTCCGAAG.
This segment of dna has had one mutation every 100 million years. The DNA sequence has only one mutation. For this, 100 million year is required.
Thus, the number of years ago at which specie A and B diverge from a common ancestor is 1,000,000 years. Option A is correct.
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For example if you were writing someone playing football
Past : he was playing football
Present : he is playing football
So present tense is something going on in that moment
Ans: It helps giving you the ability to choose what you think is best for your business
B c and d. I think these are the answers
I just use regular ones cause I don’t like to reuse :)
