Posted on 04/24/2003 3:40:42 PM PDT by MHGinTN
Cloning, defined according to STEADMANS MEDICAL DICTIONARY, 24th edition, page 289, is: The transplantation of a nucleus from a somatic cell to an ovum, which then develops into an embryo; many identical embryos could thus be reproduced by asexual reproduction.
Higher mammal cloning attempts have been costly and difficult, however, human cloning does represent a challenge that has never been faced before by society, and this challenge needs truthful airing, before the science is applied broadly for any and all medical marvels which may be implied from the techniques. The term cloning may also be used to identify the process whereby only molecules are reproduced, such as DNA, as when criminologists replicate the DNA of a victim or a criminal, for molecular matching purposes; or used to describe research biologists reproducing a nearly limitless supply of a specially engineered micro-organism.
Michael Shermer, writing in his column, Skeptic, in the April 2003 edition of Scientific American magazine, offers Three Laws of Cloning: 1. A human clone is a human being no less unique in his or her personhood than an identical twin; 2. A human clone has all the rights and privileges that accompany this legal and moral status; 3. A human clone is to be accorded the dignity and respect due any member of our species.
Hold on now! Isnt the cart before the horse? Mister Shermers three laws dont address the when in a clones assumption of rights. When is the clone to be considered an individual human so that the laws can be applied from that day forward? The answer to that question may be both a scientific as well as a moral question, but our modern society is not ready to address those questions until the full truth about human cloning is revealed.
Is human life a commodity to be experimented with?
Some uses of cloning are actually cannibalism dressed up to seem like enlightened medical advances. Isnt conceiving designer individual humans, then killing those individuals to get their body parts for medical treatments, in actuality cannibalism?
Its not a stretch to say that the acceptance of in vitro fertilization has propelled us down the slippery slope of dehumanizing the earliest age in the continuum of individual human beings, manipulating the amazing processes of conception and life support in order to assist in pregnancy. This earlier medical marvel often creates extra individual embryonic human lives to be discarded, or worse, used for experimentation. Should we deconstruct such a beautiful gift by taking full technological advantage of it? Scientists involved with cloning share different viewpoints about this god-like ability weve developed. Many find it highly unethical, while others find moralizing the sanctity of individual human life to be only amusing.
Robert Gilmore McKinnell, a professor of genetics and cell biology, wrote that, Scientists use the cloning procedure to gain insight into biological phenomena such as differentiation, cancer, immunobiology, and aging. [So far, so good, but the genie is not so benign when the issue of human therapeutic cloning arises.]
The life level of that which is cloned is important to understand: a whole organism may be cloned, or only the DNA found in a part of the organism may be cloned.
With DNA cloning, the tissues need not be alive in order to harvest and replicate, or clone, the DNA of the tissue. Such molecular level cloning (called PCR) does not clone an individual (the whole organism), merely the molecular identification of the individual organism. Put another way, the term cloning can be used to describe replicating the DNA of alive or dead tissue being tested, as with techniques used in criminology.
When criminologists do DNA replication, they are reproducing a nearly unlimited supply of the exact DNA within the tissue found at the crime scene, in order to match that DNA to the DNA of a criminal or a victim, or exonerate an accused. When Laci Petersons body and the body of baby Connor (found in the same waters) were tested with DNA marker technology, the goal was to discover a close DNA identification between Laci Petersons body, the body of the baby, and Scott Petersons DNA, to connect them through DNA matches, for criminal inferences.
Cloning of bacteria and fungi is used to identify characteristics of the microorganism, to amplify good characteristics or eliminate bad characteristics produced by the DNA commands on the organisms growth and development. DNA replication and testing can identify what about a microorganism gives that particular organism the disease causing power it has in humans, in order to devise treatments for the diseases.
In modern Embryology textbooks, you will discover that the first principle of the Science of Embryology is that every individual life is a continuum of unbroken processes whereby an individual alive organism is expressing its life, and that continuum has a beginning, a starting point that is that individuals conception.
Manipulations such as in vitro fertilization, somatic cell nuclear transfer (cloning), embryonic stem cell research, amniocentesis, and tests for genetic anomalies like Downs Syndrome, all are based upon this first principle of Embryology. For these processes to have meaning, first the scientists and technicians must hold that the processes are dealing with an already alive individuals characteristics, else the tests would be too non-specific to form medical assumptions regarding the alive individual organism tested.
Human whole organism cloning is accomplished by somatic cell nuclear transfer, taking a living cell from a donor human, removing the nuclear material--the DNA/genes--and inserting that nuclear material into an enucleated (nuclear material removed) female gamete, or sex cell, ovum, then zapping that combination with an electrical charge that stimulates cellular replication, expressing an individual human organism. The female ovum from which the 23 chromosome nuclear material has been removed, receives the 46 chromosome nuclear material for a complete human organism, thus the newly conceived individual life has the theoretical ability to then go through the entire series of cellular divisions (mitosis) which give rise to the amniotic sac and the growing individual human body, complete with all the normal organs and tissues.
Reproductive cloning conceives via somatic cell nuclear transfer and sustains that individual being all the way to 40 week developmental age and birth.
So called therapeutic cloning utilizes in vitro conception and growth of an individual human being, but the new individual will not be allowed to live and grow to the full 40 weeks and be born. Instead, the newly conceived individuals will be killed and their body parts--from cells to organs--will be harvested for use in treating diseases of or injuries to older individual humans (older than embryos). In truth, both types of cloning are reproductive, but the end use of the newly conceived individual human determines which name to give the process.
Will individual human life continue to have sanctity or be reduced to mere utility?
Perhaps some believe it isnt so wrong to conceive embryos and kill them for their body parts, their stem cells, but the processes will not stop there, with that level of cannibalism. There is ongoing effort--well underway--to build an artificial womb, and then conceive and gestate an individual alive human being all the way to the full 40 weeks of development and birth. This marvel will also allow the scientists to stop at any age along the continuum of the lifetime begun at conception and harvest the individuals body parts and it will be the owner of the conceived individual and the life supporting machinery that will determine when to kill and harvest, or support for birth!
Why is human cloning bad? There are many reasons cited by opponents, but it is wrong primarily because the manipulation of individual humans in their earliest age as individual embryonic beings is dehumanizing dehumanizing for the individuals so conceived for their utility and dehumanizing for the society, which embraces such cannibalism.
The moral line in the sand ought to be determined by whether an individual human being is maimed, killed, or discarded in the process of manipulating that individual human lifetime begun at conception. Answer to that question is what our society is not being given in the current debates. And when some portion of the truth regarding these manipulative processes arises, the deeper truth--that even the embryo is an individual human being at its earliest age along its unique continuum of life--is obfuscated, dismissed, ignored, or denied.
Science may one day be able to reproduce a part of the whole organism, as in growing only a kidney that is a perfect tissue match for the individual from whom the genetic nuclear material is taken; that would be an embraceable medical miracle. But as its now undertaken, with therapeutic cloning, an alive individual being very closely matched genetically to the donor of the nuclear material is given life support until the organs of that individual (embryonic stem cells are the organs of the embryo) differentiate sufficiently to be harvested for use with an older individual being treated for a disease or injury. That is, in all truth, cannibalism as surely as if the medical personnel instructed the person being treated to eat the parts taken from the clone in order to treat the disease or injury.
[ To cannibalize, according to NEW WEBSTERS DICTIONARY, is : to repair (vehicles or aircraft) by using parts from other vehicles, instead of using spare parts.]
Are humans now to be reduced to the utility of aircraft or vehicles, to be cannibalized for their living parts?
If skin cells really were the same as humans, we'd all have little humans growing off of our bodies.
The differences between skin cells and humans are obviously not minor ones, even if the differences are microscopic or submicroscopic.
For now. What happens when we can extract the DNA from an existing tissue cell and trick it into beginning the developmental process all over again?
To purposely mislead readers into believing a cell from a kidney or liver (other than a stem cell) could be stimulated into repoducing a replication of the whole organism rather than 'perhaps' a whole organ, is dishonest as well.
No, it isn't, and we're not going to get anywhere if you persist in characterizing hypotheticals as falsehoods. The whole point I am trying to illuminate is to discuss what will happen when we can do such a thing - and that day will come, do not doubt for a minute.
This poster knows full well that the somatic cell, when stimulated to divide or replicate, can only replicate itself, not an entire organism, simply because the coding for an entire organism has been lost as the organism differentiated its very specialized organs and tissues. I think this poster doesn't deserve further courtesy since the agenda of the poster includes purposeful dishonesty.
Takes a mighty big pair to out and out lie in your accusations of the dishonesty of others. For you to assert that "the coding for an entire organism has been lost as the organism differentiated its very specialized organs and tissues" is either abjectly ignorant or purposefully mendacious. There is no difference whatsoever between your DNA now and your DNA as it was first conceived in your mother's womb - to assert such suggests that you desperately need a refresher in basic human reproductive biology.
The coding has not been "lost", it has merely been rendered latent, and lies unused as its purpose has long ago been fulfilled. That does not obviate the point that someday someone will discover a way to reactivate those genes and use ordinary adult cells to create new life, and then where will you be? Stuck asserting the magic specialness of liver cells, I'll wager. You're building your house on sand, and yet you accuse me of dishonesty. Classic.
yes there is an equivalency. A one celled conceptus isn't a "whole" anything. Both contain the complete recipe for making a human being, the only difference between a somatic cell and an embryo are the suppressor and promoter proteins that decorate the DNA strands. A single cell embryo isn't profoundly different but merely further along a sequence of potentiality than are somatic cells. Each cell has the entire DNA code; it has become specialized as muscle or whatever by most of that code being turned off. In cloning, those portions of the code previously de-activated are re-activated. Everything is turned on, but that step isn't sufficient. What makes a human being whole and distinct human organism is a more or less working body combined with a more or less working brain.
Conception is being named as an artificial moral line in the continuum of potential development. It is wrong to draw the line here in my opinion.
BTW, since you're in an argumentative mood, I give you the floor to address the general's baiting. enjoy
At conception, all the coded changes to direct your cellular construction are active for use. As each stage is followed, that coding turns off; as cellular construction proceeds from single celled conceptus to body and placenta, the ability of the codes to direct construction of a whole system ends with each successive finished organ and tissue system. Every cell of your body has the exact same DNA that the conceptus started with. But each coded step in the process of the continuum of your individual lifetime gets turned off as you go through that developmental stage. Is the newborn able to have sex, get pregnant? No,and that doesn't mean that the newborn is not a whole human being at that age for the continuum just because someone like you would only convey completeness if the sexual organs are operational ... just like the organ called the brain must be operational in your arbitrariy designation of wholeness. The individual human being has many changing characteristics along the continuum that is its individual lifetime begun at conception. You may choose to arbitrarily weigh one stage more important than another, but the continuum begins for that individual at that individual's conception. even before the brain is formed, science can test the individual and discover whether later on Downs Syndrome will occur, and the high degree of correctness in diagnosis rests upon the first axiom, that an individual unioque individual begins at conception and is 'there' all along the continuum of its lifetime, as long as it is alive.
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