They could discover which organisms are closely related to the mammoth, and which one is the most closely related.
The answer is C - Recombinant DNA. Why?
A transgene is a gene or genetic material that has been transferred naturally, or by any of a number of genetic engineering techniques from one organism to another. The introduction of a transgene (called "transgenesis") has the potential to change the phenotype of an organism.
<span>Thymine is harder to make, but more stable. DNA needs to keep information safe for a long time, so it makes sense to use thymine. But RNA is made and used quickly, and small mistakes don’t matter as much, so the easier to make uracil does the job.</span>
Answer: "alga" / "algae" ;
(or, in some cases, "cyanobacterium" / "cyanobacteria").
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<u>Note</u>: This applies to marine lichens—as well as lichens on land.
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