Sandwalk

This is the third in a series of guest posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. Reactionary...

This is the second in a series of guest posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. The first p...

This is the first of a series of guest posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. Reactionar...

Today is the 75th anniversary of D-Day—the day British, Canadian, and American troops landed on the beaches of Normandy. 1 For us baby bo...

Splice variants are very common in eukaryotes. We know that it's possible to detect dozens of different splice variants for each gene wi...

If you look in the various databases you'll see that most human genes have multiple transcription start sites. The evidence for the exis...

I think that about 90% of our genome is junk and I know lots of other scientists who feel the same way. I'm pretty sure that this view i...

Baker’s yeast ( Saccharomyces cerevisiae ) is one of the best studied eukaryotes. Its genome is just slightly larger than the largest bacter...

The Canadian Broadcastng Company (CBC) has a TV show called Marketplace that promotes itself as an advocate of consumers' rights. It ha...

Blogging was light last year because I was busy with other things and because the popularity of blogs is declining rapidly. The most popular...

I'm very impressed with the DNA test administered by Ancestry.com. They report that I have over 600 fourth cousins or closer but I have ...

I was looking at some of my posts from the past few years and wondered which ones were the most popular. I had previously identified the mos...

This is the latest update from Ancestry.com. Their algorithms are getting better and better. This corresponds very closely to what I know of...

The importance of alternative splicing is highly controversial. In the case of humans, the competing views are: (a) more than 90% of human p...

I'm convinced that widespread alternative splicing does not occur in humans or in any other species. It's true that the phenomenon e...