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How much do you know about Genetic Genealogy?
You can find out. Blaine Bettinger, the Genetic Genealogist has a fun little quiz....Posted on April 9, 2008 5:30 PM • 0 Comments •
Discovering Biology in a Digital World
My thoughts on biology, teaching, life, and exploring the living world via the digital one. Only my opinions are represented by these postings, they do not represent the viewpoints of any funding agency or Geospiza, Inc.
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I am a microbiologist and molecular biologist turned tenured biotech faculty turned bioinformatics scientist turned entrepreneur. My passion is developing instructional materials for 21st century biology (Geospiza Education).
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Mitochondria:
Digital Biology Friday: Animal Mitochondria and Evolution, part II
You too, can compare chimp and human DNA.Posted on November 16, 2007 8:51 AM • 0 Comments •
High school students uncover their past through their DNA
Students at Soldan International High School are participating in an amazing experiment and breaking ground that most science teachers fear to tread. Soldan students, along with hundreds of thousands of other people, are participating in the National Geographic's Genographic Project. Through this project, students send in cheek swabs, DNA is isolated from the cheek cells, and genetic markers are used...Posted on November 14, 2007 4:04 PM • 9 Comments •
Digital Biology Friday: Animal Mitochondria and Evolution Revisited
An evolution activity for the classroom.Posted on November 9, 2007 3:47 PM • 0 Comments •
Digital Biology Friday: The importance of being aerobic
If we compare sections 1, 2, and 3, we see that section 2 matches very well in a number of different samples, and that there are differences between the sequences in sections 1 and 3. We also learn something about the people who did the experiment....Posted on September 1, 2006 11:37 AM • 0 Comments •
Digital Biology Friday: All mutations are not alike
Like biology, all bioinformatics is based on the idea that living things shared a common ancestor. I have posted, and will post other articles that test that notion, but for the moment, we're going to use that idea as a starting point in today's quest. If we agree that we have a common ancestor, then we can use that idea...Posted on August 25, 2006 8:10 AM • 2 Comments •
Digital Biology Friday: How similar are apes and humans?
During these past couple of weeks, we've been comparing mitochondrial DNA sequences from humans and great apes, in order to see how similar the sequences are. Last week, I got distracted by finding a copy of a human mitochondrial genome, that somehow got out of a mitochondria, and got stuck right inside of chromosome 17! The existence of this extra...Posted on August 11, 2006 1:14 PM • 5 Comments •
Digital Biology Friday: Hey, who moved my DNA?
Last week, we decided to compare a human mitochondrial DNA sequence with the mitochondrial sequences of our cousins, the apes, and find out how similar these sequences really are. The answer is: really, really, similar. And you can see that, in the BLAST graph, below the fold. A quick glance shows that the ape with the most similar mitochondrial sequence...Posted on August 4, 2006 1:39 PM • 3 Comments •
Digital Biology Friday: That was no ape, that was my brother!
We've had a good time in the past few last weeks, identifying unknown sequences and learning our way around a GenBank nucleotide record. To some people, it seems that this is all there is to doing digital biology. They would, of course, be wrong. We can do much, much more than identifying DNA sequences and obtaining crucial information, like who...Posted on July 28, 2006 8:00 AM • 0 Comments •
Am I really related to Cleopatra? Qualitatively measuring DNA sequence quality
What do genetic testing and genealogy have in common? The easy answer is that they're both used by people who are trying to find out who they are, in more ways than one. Another answer is that both tests can involve DNA sequence data. And that leads us to another question. If the sequence of my mitochondrial DNA is only...Posted on July 5, 2006 7:00 AM • 2 Comments •
