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Charles Darwin never knew about DNA. Darwin first presented
his theory of evolution when he published
The Origin of Species in
1859, a full ten years before scientists had isolated the first
DNA sample. Had Darwin known about DNA, he may have reached
different conclusions.
Darwin believed that populations would change over time, and
only the most favorable traits would survive as they got passed
down through new generations. By this process, Darwin believed
all things had evolved from a single common ancestor, slowly
changing into the many diverse living creatures we now see
today. New discoveries into how DNA works show that this simply
could not have happened.
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DNA contains the genetic instructions for all living
things. DNA acts like a blueprint for life, mapping out every
characteristic that a living creature will develop. While all
living things have an inbred flexibility in their DNA to allow
for adaptations, this flexibility has limitations built into
it. These limits come in the form of the code-checking
mechanism in the preliminary stages of DNA development.
Every time a new cell is constructed, the code-checking
mechanism makes sure that the new cells have the same code as
the others. As cells divide and copy DNA, the new copies have
mistakes. The code-checking mechanism stops harmful mutations
and changes (think of it as a proofreader), before the
reproduction of a new cell is completed.
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We have studied animals for over 150 years since Darwin
proposed his evolutionary theories, yet we have not seen the
creation of any new kinds of animals; only variations on
existing animals. This easily observed truth further validates
that DNA has built-in limits to its adaptations, a fact that no
amount of theoretical discussion can argue with. If Darwin had
known what modern science has discovered, it would have forced
him to confront the many holes in his theory, because as you
learn and observe the truth behind DNA, his theory simply
crumbles.
…SO NOW YOU KNOW! |
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