Friday, December 25, 2009

Sounds a Bit Like Planned Parenting

As our society continues to develop, people want the best and the latest improvements on what they already have. There’s always something better, something that is more efficient and gets the job done in easier ways than previously. Our North American society loves to keep up with these advances and get the latest gadgets. It’s not so much a ‘want’ as it is a ‘need’ to have the best to maximize anything and everything that we do.

Plants and animals are not immune to this human need to get what they want. Breeding and raising livestock and agriculture for specific traits is considered ‘artificial selection’, which is the opposite of natural selection. Whereas natural selection occurs because of environmental pressures, artificial selection is when humans choose one desirable trait and continually breed for that trait until it satisfies the needs of the people. By selecting what traits are wanted, they can slowly weed out traits that are less than optimal for any given organism. This requires generations upon generations of breeding and offspring, but the results often yield what was wanted. Larger size, resistances and faster growth are all traits that would be deemed useful and increase the productivity and efficiency of farms around the world. And that’s what artificial selection is for: increased efficiency using the desired trait.

This video shows how artificial selection can be used to create animals that seem completely different from their ancestors. The genes that regulate muscle growth have been artificially bred throughout generations of these cattle until the size of the cow was satisfactory for its purpose. To maximize their breeding potential, they use artificial insemination to ensure that the best possible offspring are born. It seems like a bit more trouble than it’s worth. Why bother engineering these huge cows?

As they stated in the video, the bull that weighs over one tonne will end up as lean cuts of beef that cook quickly. This is extremely efficient in th
e sense that they can make many cuts of this beef, and being easy to cook makes it an extra selling point. All of this work and effort is put into creating a form of revenue with decreased cost. They save space, food and money on the number of employees needed to take care of these animals. These huge animals were bred for the sole purpose of eventually being turned into our food, but done so such that the process is as efficient as possible. That being said, is it wrong for humans to be using artificial selection to gain what they want? Is there ever a case that it could be right? To be honest, this issue doesn’t have a solid line between right and wrong, because as it has been shown throughout history, artificial selection has made important contributions to the world as we know it.

Although we may not realize it, many of the things around us come from artificially selected sources. Those tomatoes are resistant to pests or disease, that bread is made from wheat that grows faster and survives better, and the roses in your garden were artificially selected to create a hybrid that would be easy to grow and aesthetically pleasing. Let’s not forget about the things that wouldn’t exist without artificial selection. Corn, broccoli, and the banana are just some of the crops that never would have graced our dinner plates if they hadn’t been bred into existence. All of these plants are present today because of the role humans have played in their artificially selected lineage.


Animals are also subjected to humans’ influence in their offspring and breeding. All domesticated animals have been bred to suit out needs. All dogs belong to the same genus and species, but the different kinds exist only because humans have isolated desired traits and bred for them. Cats have the same story, deriving from the same source but being bred for behavioural and aesthetic preferences. Livestock of our modern age has bee n chosen specifically for whatever role they are to play. Cows can be bred specifically for milk production, chickens for egg production, and pigs for their muscle mass. Without these specifically chosen traits, the amount of food products in the world wouldn’t be able to support the current population. Many harvests would fail from pests and disease, and animals would take more energy being raised then they could offer in the form of food. To think about whether or not artificial selection is acceptable, one must keep in mind what life would be like if it never happened.

Without the artificial selection and breeding that many organisms have been subject to, the human race would not have been able to survive in the large number we currently live in. That being said, we wouldn’t be able to live without it. It’s a way for us to sustain ourselves without needing everyone to become farmers and raise their own crops. Our crops require fewer resources and care to yield larger harvests and our animals produce more meat and animal products than ever before. Domesticated animals and flowers bring joy to people’s hearts after being successfully hybridized. There seems to be no problem with those statements as they have benefitted society. But there is also a sad truth that is overlooked.

To deem selective breeding a success, certain conditions must be met after being bred through generations. There is a starting point, and an ending point. But what about all the other organisms in between these points? It seems that these animals were created for the purpose to form a superior breed that humans could use for their advantage. Is it right to use these animals for our benefit, whether or not they turn out healthy or happy? There are probably many cases where these animals simply die from genetic problems that breeders did not foresee, resulting in the loss of many lives.

The ethics involved are controversial, as to whether or not the ‘rights’ of these animals should be respected if, in the end, they’re used as meat products anyways. But the fact that many of these animals are used for experimentation brings a pr
oblem to light. Would any human want to be a lab experiment? Forced to procreate to see what could and couldn’t be inherited? I'm sure that selective breeding of humans is simply out of the question; the injustices are huge. But the animals have no say on the matter. The animals’ rights seem to be questionable as they are raised to be eaten, but animals must also be respected as individuals. Selective breeding, while not necessarily bad, does force animals to breed and reproduce based solely on their traits, which doesn’t seem to be very ethical.

Another problem would be that selective breeding is, in some ways, a form of genetic engineering. They are engineering a new kind of animal simply by choosing the ones that show the most desired of traits. Although it is stated that artificial selection does not disrupt the environment because it is as though one trait is ‘naturally’ preferred, the same can be said of genetic engineering. There are still arguments that important genetic data can be lost, and that the species would become continually homogenized until they reach the dangerous point of lacking biodiversity.

Even with all these negative effects, artificial selection has been done, is still being done, and will be done for many years to come. There’s no way to avoid it, seeing as there’s always something to attain. But everything has a limit; we can’t grow extremely tall, and cows won’t be able to grow so huge that they can’t walk. There’s a limit that nature imposes on everything. So what will happen next, when the limits have been reached? Breeders and scientists might find new ways of compounding more traits to create super organisms.

Selective breeding has a place in modern society, as without it, we wouldn’t be surviving as we are today. The circumstance under which artificial selection is acceptable is to sustain our society. It may not be perfect, having organisms created for the purpose to breed more, but it definitely has its advantages making farming and agriculture easier on those who are willing to do so. Of course, it has negative points to it, but what doesn't? Artificial selection should be done in a way to keep it as ethical as possible, while being able to maintain human life efficiently and effectively.

Artificial selection might be seen as having no real impact on ourselves right now, but the truth is, that it really does. That being said, I think it is plain to see that it is needed, and that it is acceptable for everyone. Many things would be lost without it, and our world would be completely different. Take a look around you, and imagine all the things that wouldn’t be there if artificial selection was deemed ‘improper use of biological technology’. It may just be an industrial method to earn money without much cost, but the truth is, without it, our lives would be drastically different. Artificial selection is actually quite similar to natural selection; the only difference is that the humans themselves are the environmental pressures that affect these organisms.

Sources:

"Artificial Selection" - Global Oneness

"Artificial Selection at Work" - learner.org


"Breeding vs. Genetic Engineering: Debating the Best Approach for Livestock" - CBCNews

"Choosing the Fittest" - Life's Big Instruction Book

"Comparison of Natural and Artificial Selection" - Helium.com


"Limits to Evolvability" - 4truth.net

"Selective Breeding" - Biology Online


Commented On:
Myra Pereira -Selecting the plants and animals of future, is it as easy as it seems?

Kristin Alphonso - The Recipe for the Perfect Animal or Plant, Artificial Selection

8 comments:

  1. Hey Anthony,

    Wow...That video was...er....quite disturbing...It gets the point across though by burning the image into my retinas.(0_0)

    That's a very interesting point you raised on artificial selection being necessary for humans to survive. Upon reading this blog, I understand what you are saying, as artificial selection does indeed play a large role in our own survival as humans. The world would surely be a different place biologically and financially if artificially selecting was ruled as unethical and therefore banned. This is a point that will probably be overlooked by many of the other students (I know I did!....).

    Thanks for a very insightful (and scarring) blog!

    - Alfred Chen

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  2. I love how your opinion and evidence was not only intellegent, but came across very powerful. I completely agree with your opinion and I see why your opinion is stuck in the middle. A world without artificial selection is a scarey and strange world, and i truly never really saw it that way till now. The way you touch on animal and plants right to live was beautiful. I mean, so many people forget that we are sharing this earth with so many different LIVING species. We forget how to share and only think of ourselves.

    I also like how though you stated that artifical selection is the opposite of natural selection, they too are very similar. This I feel is very true, and I feel that that is also what held my opinion in the middle of wrong and right.

    Thank you for the intelegent and interesting blog! I learned a lot!

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  3. I totally agree with you when you say that the world would be completely different if artificial selection was banned. I mean nearly every living organism that humans are connected to has been affected in some way be selective breeding. I brings up a very interesting point: How can someone, especially students like us, say that we are absolutely against the idea of artificial selection when our whole world has been affected by it, especially when we've never known otherwise. The food we eat, the flowers we grow and even the animals we take care of are all the product of selective breeding and we don't seem to mind it so much. However, also like you mentioned, that does not give us the right to toy around nature. I think that some the problem is that because to many people forget that they aren't gods, we are only human and we rely entirely on other organisms to support us. We don't have the right to do whatever we please with the rest of the world. Perhaps if more people realized this, they would only use artificial selection for ethical purposes because although we have used selective breeding to do a lot of good, we have also done a lot of bad with it too.

    Great post, I think you brought up some very good points and opinions. You blog was very interesting to read.

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  4. You stated the two sides of the arguement very well with strong points to support this very interesting topic.

    I understand what you are saying; human life needs the process of artificial selection because it greatly benefits us. It makes our life easier and faster. LIke you example above, fater cows and bulls means more source of meat, saves money, saves time. However,there are all sorts of problems and ethics relating to artificially breeding and selecting plants and animals. Although we are aware of the circumstances, we are still doing it because we need it.

    What will happen in the future? Will artificial selection benefit us or create problems for human life? I dont know, but like you said: artificial selection might be seen as having no real impact on ourselves right now, but the truth is, that it really does.

    Good job on your blog! I liked it.

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  5. HEY,
    This is a very good write-up. you have very strong supporting point and great visuals and a very interesting video. I agree that artificial breeding does sustain life in the world. Even the ancient civilizations arificially breeded plants and anumals. yes, we do need to artificially breed plants and animals to sustain life on th face of earth.

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  6. Hey Anthony,

    well done on your blog! I really enjoyed reading it. I love the way you stated both the positive and negative effects of artificial selection. You were able to get your point across to the reader in a very strong manner. I agree with you when you stated that artificial selection has made an important contribution to our lives. Thanks to artificial selection we have plants that are resistant to pests and diseases and cows that produce more milk and more fat. As you stated in your blog, corn, broccoli and banana's are just some of the crops that would have never existed were it not for artificial selection. Although there are negative effects of artificial selection, your blog has made me realize that our world would be totally different without it. I also agree with you when you said that our North American society loves to keep up with these advances and get the latest gadgets. You are absolutely right, it is no longer a want but an important need!

    Good job on your blog overall!

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  7. Bye Anthony

    I like how you have all your information organized (animal plant problems ethics) but you never really stated your opinion on whether or not selective breeding is a good thing or bad thing to our society.

    I think that God made every animal special in its own way, and when we selective breed animals, we are taking away its special characteristics. There is also the fact that these animals could die because of it.

    so as you said that artificial selectio has made an impact on us, but what if we didn't have artificial selection? I think that the world would be the same still, actually I think the world would be a better place because for example, we'd have more cows to produce milk.

    I like your blog, but you never state your own opinion on the topic, your just putting facts up.

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  8. Anthony,

    Excellent blog! You explained very well in explaining the positive and negative effects of artificial selection. I really enjoyed reading your blog. You had strong points in explaining this topic. I agree with the fact that you mention in your blog that artificial selection makes a significant contribution to our lives. It benefits mainly farmers and breeders because plants can be more disease-resistant and high crop yield and animals can produce a lot of products and have more desirable traits. Artificial selection seems like want but it is actually a need for farmers and breeders. Your blog had great visuals and an interesting video. Although it benefits farmers and breeders, it affects the society in a negative way as well. I learned from your blog that people are aware of this but they probably need this for their lives. Overall, your blog was very insightful and I learned a lot from there.

    ReplyDelete