QUESTION: Could DNA of the alleged Passengers on the Four Planes Which Crashed on 9/11 Survive High Temperatures from the Explosions?

Question Posed To My Substack Readers

I’d like to thanks ALL those people who took part in answering the question I posed in my previous blog posting yesterday.

Introduction

Today, I am posing another question, and would like YOUR feedback or answers in the comments section of the post. I know many of the people who follow my Substack subscribe to the no-planes, or that the 4 named planes didn’t crash at the 4 named targets. I am with you on that, however it is important to pose this question, as I find it difficult to believe the DNA was found at the 4 locations of the alleged plane crashes which could have been retrieved DNA to identify any of the passenger, because DNA would not have withstood the high temperatures of the explosions.

DNA & High Temperatures

DNA is highly sensitive to extreme temperatures, and exposure to temperatures as high as 1000°C would likely result in significant degradation or complete destruction of DNA molecules. Studies have shown that under dry conditions, DNA begins to degrade at temperatures above 190°C. [1]

Additionally, research on the thermal effects on DNA degradation in blood and seminal stains indicates that exposure to temperatures as high as 100°C can alter the macroscopic appearance of bloodstains and affect DNA analysis. [2]

In another study, DNA was exposed to temperatures up to 140°C, and while some DNA remained intact, the integrity and amplifiability of the DNA were significantly compromised. [3] Furthermore, the melting temperature (Tm) of DNA, which is the temperature at which the double-stranded DNA separates into single strands, varies depending on the GC content of the DNA, with higher GC content requiring higher temperatures for denaturation. [4] However, temperatures as high as 1000°C would far exceed the melting temperature of any DNA, leading to complete denaturation and likely degradation.

In summary, DNA is unlikely to withstand an explosion of temperatures reaching 1000°C, as such extreme temperatures would cause extensive damage to the DNA structure, rendering it non-amplifiable and potentially completely destroyed.

[1] https://pmc.ncbi.nlm.nih.gov/articles/PMC8129487/
[2] https://pmc.ncbi.nlm.nih.gov/articles/PMC5451147/
[3] https://pmc.ncbi.nlm.nih.gov/articles/PMC8585539/
[4] https://en.wikipedia.org/wiki/Nucleic_acid_thermodynamics#Denaturation

Bibliography

Thermal degradation of DNA
https://pubmed.ncbi.nlm.nih.gov/23621849/

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