Sandwalk

                                    Strolling with a skeptical biochemist

Tuesday, June 27, 2023

Gert Korthof reviews my book

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Gert Korthof thinks that the current view of evolution is incomplete and he's looking for a better explanation. He just finished readin...
6 comments:
Sunday, June 11, 2023

Chapter 11: Zen and the Art of Coping with a Sloppy Genome

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In last chapter of my book I try to convince readers that biochemistry, molecular biology, and evolution are sloppy processes and the idea o...
19 comments:
Saturday, May 20, 2023

Chapter 10: Turning Genes On and Off

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Francis Collins, and many others, believe that the concept of junk DNA is outmoded because recent discoveries have shown that most of the hu...
12 comments:
Wednesday, May 17, 2023

Chapter 9: The ENCODE Publicity Campaign

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In September 2012, the ENCODE researchers published a bunch of papers claiming to show that 80% of the human genome was functional. They hel...
Monday, May 15, 2023

Chapter 8: Noncoding Genes and Junk RNA

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I think there are no more than 5,000 noncoding genes but many scientists claim that there are tens of thousands of newly discovered noncodin...
3 comments:
Thursday, May 11, 2023

Chapter 7: Gene Families and the Birth & Death of Genes

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This chapter describes gene families in the human genome. I explain how new genes are born by gene duplication and how they die by deletion ...
9 comments:
Wednesday, May 10, 2023

Chapter 6: How Many Genes? How Many Proteins?

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Here's a link to the summary of what's in Chapter 6. The important topics are the correct definition of "gene" and the num...
Sunday, May 07, 2023

Chapter 5: The Big Picture

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Here's a link to a summary of what's in Chapter 5. It lists the main components of the human genome and concludes that less than 10%...
4 comments:
Saturday, May 06, 2023

Chapter 4: Why Don't Mutations Kill Us?

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Chapter 4: Why Don't Mutations Kill Us?
6 comments:
Friday, May 05, 2023

Chapter 3: Repetitive DNA and Mobile Genetic Elements

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See Chapter 3: Repetitive DNA and Mobile Genetic Elements
Thursday, May 04, 2023

90% of your genome is junk

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If you are interested in learning more about junk DNA here's some links to relevant information. Prologue Chapter 1: Introducin...
10 comments:
Tuesday, April 25, 2023

Happy DNA Day 2023!

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It was 70 years ago today that the famous Watson and Crick paper was published in Nature along with papers by Franklin & Gosling and Wi...
1 comment:
Saturday, March 25, 2023

ChatGPT lies about junk DNA

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I asked ChatGPT some questions about junk DNA and it made up a Francis Crick quotation and misrepresented the view of Susumu Ohno. We h...
22 comments:
Wednesday, March 08, 2023

A small crustacean with a very big genome

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The antarctic krill genome is the largest animal genome sequenced to date. Antarctic krill ( Euphausia superba ) is a species of smal...
10 comments:
Friday, March 03, 2023

Do you understand the scientific literature?

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I'm finding it increasingly difficult to understand the scientific literature even in subjects that I've been following for decades....
3 comments:
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