Archives for: January 2011, 22

01/22/11

Permalinkby 07:18:04 am, Categories: Commentary - Announcements, 397 words   English (CA)

Epigenome: Better find a new use for that pocket CD of your genome

by Denyse O'Leary
ARN correspondent

Remember when, as sociologist Dorothy Nelkin tells it,

The language used by geneticists to describe the genes is permeated with biblical imagery. Geneticists call the genome the “Bible,” the “Book of Man”and the “Holy Grail.” They convey an image of this molecular structure as more than a powerful biological entity: it is also a mystical force that defines the natural and moral order. And they project an idea of genetic essentialism, suggesting that by deciphering and decoding the molecular text they will be able to reconstruct the essence of human beings, unlock the key to human nature. As geneticist Walter Gilbert put it, understanding our genetic composition is the ultimate answer to the commandment “know thyself.” Gilbert introduces his lectures on gene sequencing by pulling a compact disk from his pocket and announcing to his audience, “This is you.”*

At ScienceDaily (Jan. 14, 2011), we learn that after the complete draft of the human genome was released in 2003, of the growing focus on is on the epigenome:

Whereas the genome is the same in every cell of an organism, the epigenome of every cell type is different. It is because of the epigenome that a liver cell is not a brain cell is not a bone cell.
From the genome, we learned? ...
"We learned many things from the Human Genome Project," Elgin says, "but of course it didn't answer every question we had!

"Including one of the oldest: We all start life as a single cell. That cell divides into many cells, each of which carries the same DNA. So why are we poor, bare, forked creatures, as Shakespeare put it, instead of ever-expanding balls of identical cells?

"This [epigenome] work," says Elgin, "will help us learn the answer to this question and to many others. It will help us to put meat on the bones of the DNA sequences."

You, know, it almost makes one go all religious and say: Re the “Bible,” the “Book of Man”and the “Holy Grail,” worship the creator not the creation. And recycle your CDs.

*Dorothy Nelkin, “Less Selfish Than Sacred? Genes and the Religious Impulse in Evolutionary Psychology,” in Hilary Rose and Steven Rose, eds., Alas, Poor Darwin: Arguments Against Evolutionary Psychology (London: Random House, Vintage, 2001), p. 18. Quoted in Beauregard & O’Leary, The Spiritual Brain, p. 52.

Denyse O'Leary is co-author of The Spiritual Brain.

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  • A Brief View of Time and Those That Live There

    Don Cicchetti blogs on: Culture, Music, Faith, Intelligent Design, Guitar, Audio

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  • Creation/Evolution Quotes

    Australian biologist Stephen E. Jones maintains one of the best origins "quote" databases around. He is meticulous about accuracy and working from original sources.

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  • CreationEvolutionDesign

    Most guys going through midlife crisis buy a convertible. Austrialian Stephen E. Jones went back to college to get a biology degree and is now a proponent of ID and common ancestry.

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  • Darwinian Fairytales by David Stove

    Complete zipped downloadable pdf copy of David Stove's devastating, and yet hard-to-find, critique of neo-Darwinism entitled "Darwinian Fairytales"

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  • ID The Future

    Intelligent Design The Future is a multiple contributor weblog whose participants include the nation's leading design scientists and theorists: biochemist Michael Behe, mathematician William Dembski, astronomer Guillermo Gonzalez, philosophers of science Stephen Meyer, and Jay Richards, philosopher of biology Paul Nelson, molecular biologist Jonathan Wells, and science writer Jonathan Witt. Posts will focus primarily on the intellectual issues at stake in the debate over intelligent design, rather than its implications for education or public policy.

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  • John Mark Reynolds Blog

    A Philosopher's Journey: Political and cultural reflections of John Mark N. Reynolds. Dr. Reynolds is Director of the Torrey Honors Institute at
    Biola University.

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