We are all comfortable with the fundamental concepts of molecular biology—that a sequence
of nucleotide pairs in DNA encodes complementary RNA, which directs the synthesis
of proteins in our ribosomes. Then the trouble starts. Without appearing arrogant,
humans like to think of ourselves as special. So, how can most of our distinguishing
genes encoding human proteins also be so expressed egalitarianly in cows, sloths,
and rats? And, how is it that a perfect human being can be constructed from a DNA
recipe that contains only 20,000 genetic instructions when both roses and cows
2
sport more. Or, perhaps even less conceptually acceptable, how can it be that the
admirably erudite coeditors of this journal enjoy a DNA code that is at least 99.6%
identical to that of the Marx Brothers?To read this article in full you will need to make a payment
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Article info
Publication history
Accepted:
November 11,
2010
Identification
Copyright
© 2011 Published by Elsevier Inc.