genetics

"Junk" DNA as Evidence for Evolution?

January, 2003

"It is a capital mistake to theorize before you have all the evidence. It biases the judgment."-Sherlock Holmes in a Study of Scarlet

Back in the 1960s, scientists discovered sections of DNA that did not code for proteins. These non-coding DNA strands were assumed to be non-functional and were referred to as "junk" DNA, the presumed evolutionary remnants of ancestral organisms. 1 Almost 99% of human DNA is known to be non-coding.

A little background will facilitate discussion of non-coding DNA. Information in coding DNA sequences is transcribed into mRNA (Figure 1). mRNA exits the nucleus and attaches to ribosomes, the molecular machines that generate proteins. In the ribosome, the information in the mRNA is translated into an amino acid sequence to form a protein.

Review of Replacing Darwin: The New Origin of Species by Nathaniel T. Jeanson

January, 2018

Dr. Nathaniel Jeanson's new book Replacing Darwin: the New Origin of Species 1 was released in October of 2017. Jeanson holds a doctorate in cell and developmental biology from Harvard (2009). He joined the staff at the Institute for Creation Research (ICR) in 2009 but has since moved to Answers in Genesis (AIG) where he is a research biologist, author, and speaker. Jeanson has written numerous lay articles, book chapters, and technical papers in secular and creationist journals. 2 He has also debated several evolutionists. 3 

In Replacing Darwin, Jeanson shows how the known data and principles of genetics fit biblical history as understood by young earth creationists (YECs). He develops a testable model of speciation consistent with Genesis and makes predictions. Jeason provides sufficient backgrounds in basic biochemistry and genetics for non-specialists to grasp his arguments. He has uncovered interesting relationships between speciation and time for several biological families.

The book includes copious endnotes and graphical illustrations, references, a glossary, but no index.

The following review will cover the book chapter by chapter.

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