b. Find the answer to this question online: What percent of DNA does the Asian e

Question

b. Find the answer to this question online: What percent of DNA does the Asian elephant and the wooly mammoth share? Please cite your source.

c. Explain this statement: "The genome sequences of two species differ in proportion to the length of time that they have separately evolved."

d. Has genomic sequencing changed some of our understanding of the evolutionary relationships between species? If so, research online and find an example of this happening. Please cite your source.

e. What implication does the knowledge of the genomes of modern species have on the possibility of de-extinction of species?

Explanation / Answer

b. The modern Asian elephant shares 95.8 percent of its mitochondrial DNA with the woolly mammoth; whereas the modern African elephant shares about 95.5 percent of its mitochondrial DNA.

Source: Student Science.

c. The differences between the genomes of species alive today have accumulated over more than 3 billion years. Evolution takes place due to several mutations that occur in the genomic DNA. If the mutations are more, then more number of species would evolve. Number of mutations depends on the time span, if the length of time is more, then mutations would be more. So, the genome sequences of two species differ in proportion to the length of time that they have separately evolved.

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