Recent advances in molecular techniques have allowed scientists to successfully extract proteins and DNA fragments from...

Recent advances in molecular techniques have allowed scientists to successfully extract proteins and DNA fragments from extinct animals found in museum collections or the recent fossil record. In the near future, it may be possible to clone previously extinct organisms such as mammoths. What are your opinions on cloning extinct species?

Expert Solution

Cloning an entire extinct animal may be possible but not in the near future. The technology that is required to produce a complete organism from scratch has not been developed yet. For example, putting all the cell organelles and DNA together does not constitute a live cell.

However, if extinct animals are cloned by artificial methods, they may not become successful in the wild. They have to be maintained in zoos or national parks. It is important to remember that these organisms were negatively selected or they could not cope up with the selection pressures during their time span. Hence they become extinct. So, if we bring them back into the current ecosystem, they have to be maintained.

On the other hand, if a very old (in time scale) extinct organism is created back, it may disturb the current ecosystem balance. It may be practical to create organisms belonging to the near timescale that would not cause significant ecological disturbances.

For example, if we create a dinosaur, it may kill many carnivores soon and destroy the ecosystem balance. They may not be supported for long in the wild.

It is important to conserve the current biodiversity as all the living organisms have equal rights on earth.

gladiator answered 1 year ago

Recent technological advances have allowed for the production of graphene, which is a sheet of carbon atoms one atom thick

Recent technological advances have allowed for the production of graphene, which is a sheet of carbon atoms one atom thick, densely packed into a honeycomb structure. This material has excellent electrical, thermal, and optical properties, making it an ideal candidate for the design of electronic components. These characteristics are further complemented by graphene’s ability to kill bacteria and by its breaking strength, which initial tests demonstrate is 200 times greater than steel. Research this material and prepare an approximately 250 word...

Recent advances in paleogenomics (the recovery and sequencing of DNA from remains up to about 80,000–100,000 years old)

Recent advances in paleogenomics (the recovery and sequencing of DNA from remains up to about 80,000–100,000 years old) have allowed geneticists to test a hypothesis long proposed by paleoanthropologists: that humans (Homo sapiens) interbred with other hominin species, such as Neanderthals (Homo neanderthalensis), that some human groups encountered as they migrated out of Africa. Early work in paleogenomics focused on mtDNA, and more recent work has assembled a complete autosomal genome sequence for Neanderthals. Surprisingly, paleogenomics has also recently identified...

Rapid advances in the field of molecular and cellular biology have unwillingly unleashed the potential for...

Rapid advances in the field of molecular and cellular biology have unwillingly unleashed the potential for creating viruses and bacteria more virulent than nature's worst. In the summer of 2002, Researchers at the State University of New York at Stony Brook described the first de novo biochemical synthesis of a virus, based on published gene sequence information and using "off the shelf" commercially available DNA material. After they pieced together genetic sequences to form a full-length poliovirus, they successfully replicated...

The whey obtained from centrifugation to extract some proteins is stored in a preliminary tank and...

The whey obtained from centrifugation to extract some proteins is stored in a preliminary tank and subsequently pumped at a rate of 20 L / s to the general storage tanks, to be used in other processes. The starting tank and the storage tank are kept at atmospheric pressure and the difference of 10 m in height that exists between the whey in each tank is constant. The total length of pipe in the suction line is 5 m with...

1.) You can easily extract DNA from a strawberry. This is in part due to the...

1.) You can easily extract DNA from a strawberry. This is in part due to the fact that strawberries are octaploid so they have a lot of DNA in them, just this alludes to a disconnect between plant biologists/growers and the average consumer. When the general public were asked the following two questions there was a major disconnect between their understanding of basic biology. Question 1.) Does a regular tomato contain DNA? Consumers were likely to answer “No.” Question 2.)...

when DNA is cut with a restriction enzym, the resulting fragments have 2' hydroxyl group 3'...

when DNA is cut with a restriction enzym, the resulting fragments have 2' hydroxyl group 3' hydroxyl group 5' phosphate group 5' hydroxyl group two of the above which type of gene is found mutated in cancer cells? proto-oncogenes tumor suppressor genes dna repair enzyme genes two of the above all of the above

One difficulty in extracting sequencing reads that correspond to mitochondrial DNA from mixed fragments of nuclear...

One difficulty in extracting sequencing reads that correspond to mitochondrial DNA from mixed fragments of nuclear and mitochondrial DNA is the nuclear genome contains segments homologous to regions of the mitochondrial genome called "numts." Mammalian genomes contain 50-450 kb of numts (the human genome contains 1005 numts, averaging 446 bp). Estimate the fraction of reads from fragments of mammoth DNA that are likely to be numts. The mammoth genome is approximately 4.7x10^9 bases in length.

Many scientists have contributed to the knowledge of genes, the structure of DNA, and how genes...

Many scientists have contributed to the knowledge of genes, the structure of DNA, and how genes function. These people include Hershey and Chase Griffith Rosalind Franklin Meselsohn and Stahl Barbara McClintock Watson and Crick Avery, McCarty, and MacLeod Choose four from the list above and discuss their contributions to modern genetic theory. PLEASE ANSWER THIS ASAP

Doctors and scientists now have the ability to sequence a person's DNA to look for abnormalities....

Doctors and scientists now have the ability to sequence a person's DNA to look for abnormalities. One common example of genetic testing is screening for an extra chromosome 21 in human fetuses. This test is used to detect if a child will have Down's Syndrome. Do some research and describe another example of genetic testing. What specifically do they look for in the DNA? How can genetic testing be beneficial and how far should we take it? plzzz ans asap........

Isolated naked bacterial DNA from which proteins are removed is supercoiled. DNA in bacterial chromosomes is...

Isolated naked bacterial DNA from which proteins are removed is supercoiled. DNA in bacterial chromosomes is also supercoiled. When naked DNA is nicked, supercoiling is abolished. In contrast nickling chromosomal DNA does not abolish supercoiling. Why?

Question