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Questions tagged [dna]

A long chain biological polymer that acts as a store of genetic information using the sequence of 4 bases held inside a double spiral made from a sugar-containing backbone.

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2
votes
1answer
445 views

Was human DNA found in a sample of Priorix Tetra MMRV vaccine?

I came across this tweet in my feed: The claim is that a group of scientists from Corvelva tested a sample of MMRV and determined that it contained human DNA. Here is the article linked in the ...
8
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1answer
436 views

Are DNA testing companies building a DNA database for commercial applications?

There were a couple of articles last year regarding DNA testing companies such as 23andMe, selling data. See example articles : DNA-testing companies like 23andMe sell your genetic data to ...
6
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0answers
359 views

Ancestry tracking DNA tests

Since the advent of cheap DNA tests, several companies have sprung up which will tell you ancestral origins according to your DNA. 23andMe claims, Where in the world are you from? Find out ...
4
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0answers
245 views

Ancestral DNA tests [closed]

A friend of mine recently took a DNA ancestry test using one of these mail-order services. Sadly he did not provide the name of the company used. According to his results, he has partial Native ...
6
votes
1answer
899 views

Did DNA, in a quartz container, absorb every photon in the room?

Lance Schuttler wrote an article arguing that DNA is a wave form that uses gravity to bend light. I'm extremely skeptical of basically every claim in the article. One of the more extreme claims ...
7
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1answer
1k views

Have paleontologists systematically ignored dinosaur DNA that does not match the evolutionary model?

A 2009 paper from Institute for Creation Research claims that the reason no DNA has been successfully extracted from dinosaur remains is because any results that don't fit the evolutionary model are ...
12
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2answers
906 views

Has a bone marrow transplant caused confusion in criminal investigations?

Dr. Azita Alizadeh wrote an 'Ask a geneticist' column about how patients with a bone marrow transplant will end up with at least two different sets of DNA in their body - DNA from their blood (which ...
104
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3answers
14k views

Is 8% of human DNA from viruses?

According to 23andme's Twitter Image reads, Approximately 8% of DNA is originally from viruses, which infected your ancestors and became integrated into their cells.
1
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1answer
157 views

Was X-ray crystallography used in DNA sequencing mostly developed by the wool industry?

In The Myth of Basic Science Matt Ridley writes: The discovery of the structure of DNA depended heavily on X-ray crystallography of biological molecules, a technique developed in the wool industry ...
9
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1answer
454 views

Do commercial DNA synthesis labs maintain a “watch list” of dangerous DNA sequences?

This New York Times article claims that Their DNA could be put on a watch list, as sequences for anthrax and smallpox are, so any attempt to buy them from DNA supply houses would raise flags. ...
17
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1answer
597 views

Has Jack the Ripper been identified?

British newspaper The Daily Mail published an article claiming that Russell Edwards was able to identify murderer Jack the Ripper thanks to DNA evidence retrieved from a shawl found at one of the ...
8
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1answer
1k views

Have scientists successfully cloned a dinosaur?

An article makes a claim that scientists have cloned a baby Apatosaurus. From Article: Scientists at Liverpool’s John Moore University have successfully cloned a dinosaur, a spokesman from the ...
17
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1answer
70k views

Do humans share 99% of their DNA with rats?

I keep hearing this claim that a lab "rat has 99% of the DNA of a human?" Is that so? What exactly does this mean? One source for this claim seems to CNN which only says, "About 99 percent of genes ...
15
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1answer
879 views

Do corporations own human DNA sequences?

I came across the claim that Human DNA sequences are now owned by corporations: FACT: HUMAN DNA SEQUENCES ARE NOW OWNED BY CORPORATIONS Is this true? If so, what does this mean? (I realise ...
41
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2answers
83k views

Does the DNA of one sperm contain 37.5 MB of information?

[Source] In an episode of the BBC show QI - Quite Interesting (Series J, Episode 1) Stephen Fry said: How much information do you think is in the DNA of one little sperm...? It's 37.5 MB... ...
34
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2answers
41k views

Length of uncoiled human DNA

I recently came across this fact: There's enough DNA in the human body to stretch from the sun to Pluto and back. A couple of "Bollocks!" alarms began to chime in my head. While I expect that it ...
19
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2answers
11k views

Is there more genetic difference between men and women than men and male chimpanzees?

I got into trouble with someone yesterday for poo-pooing this idea as it smelled of apples and oranges to me. The specific statistic was that genetically there is a 5% difference between men and ...
14
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1answer
22k views

Does 528 Hz “facilitate DNA repair”?

There is a somewhat common belief that playing a tone at 528Hz can help to facilitate DNA repair. Examples: The frequency of 528 Hz supposedly has healing effects on DNA. The frequency seems to ...
34
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5answers
4k views

Does DNA add credibility to the theory of evolution?

I have yet to make up my mind regarding the theory of evolution. Whilst doing some reading on dnafish I read that DNA itself provides evidence for the theory of evolution: Yeast, trees, flowers, ...