Lately there are a lot of
articles and talks going on about using DNA to bring animals back
from extinction. Although most magazines and websites have actually
covered this subject and I think they did a better job at it I would
however like to give my opinion about the subject.
The experience of
witnessing an animal that has been extinct for thousands of years
will very likely be a mixture of curiosity and excitement. The things
we can learn from studying a mammoth or a saber toothed cat will shed
light on evolutionary research and behavioral research as well all
sort of other researches. In addition to that conservation efforts
may be helped tremendously by providing a viable population for
struggling species. In these aspects then cloning and reproducing an
extinct species is interesting. But of course there is the other side
of the coin.
To recreate a species then
a surrogate mother will be needed. In the case of a mammoth then an
elephant is likely to carry the embryo and then give birth to the
baby mammoth. If that's the case, given our knowledge of
environmental and behavioral changes then how can we be sure that
what we have is a mammoth the way that they used to exist. It might
look like a mammoth but will it behave like a mammoth?
In addition to that some
species' habitat is completely changes. Talks about reintroducing
mammoth to the Siberian wilderness in order to recreate the pristine
habitat the existed are just nonsense in my head. Firstly the mammoth
has no predators. It is unlikely that the big cats or wolves will be
able to bring down enough mammoth to affect the population. I mean
sure the African elephant has no top predators either but we know
that. The mammoth co-existed with direwolves, saber tooth cats and
all sort of large carnivores and we don't have enough evidence to
suggest that these predators did not hunt mammoth.
Another point is animal
welfare. Most of the animals brought back so far have suffered for a
brief while with lung or heart problems until they finally died.
There is little doubt that this won't happen again. It is a natural
process of learning from our mistakes. However how many animals must
suffer and die in order to de-extinct a species that probably went
extinct for a reason.
Finally, despite it being
a potential conservation tool, it is also likely that some people may
not be so concern with conservation now that species can be brought
back. Who cares if there are less than 400 Scottish wildcats. All we
need is some DNA, reproduce them and reintroduce them. Unfortunately
this method won't work since the habitat needs to be replicated as
well. However I feel that the feeling of urgency to take action for
certain species may be lost if people know that species may be
brought back from extinction.
Overall, despite cloning
species, bringing species back from extinction, the certain practice
should be put in the back of the shelves. We need to focus and
conserve whatever environment we have now, allow that to flourish
before we consider reproducing an animal that went extinct.
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