By: Alicia M Prater PhD
The polymerase chain reaction, known more commonly as PCR, is a lab technique used to amplify a sequence of DNA. The process takes advantage of the cellular system of DNA replication. Geneticists and medical researchers use PCR to determine if certain genes are present in...
By: Angelika Reiter
The hypothesis of the RNA world arose from a chicken and egg scenario. Earlier, before Avery, Watson and Crick had unquestionably established the genetic role of DNA, the heritable factor was believed to be proteinaceous. But neither the simplicity of the four bases of DNA...
By: Stephanie Smith - 320518
In 2002 a debate in Edinburgh University entitled Is Evolution Over?' sparked controversy when a group of scientists proposed that because of our western lifestyles human evolution is over. Despite disagreeing with this I can't help but think that our growing intelligence has helped...
By: Jordan Larry
After researchers had found out that DNA is defined as a genetic material, they needed to solve the next part. The next part was to solve how the the structure of the DNA molecules are formed. Many people must wonder why DNA is so important...
By: Eve Redstone
Louis Pasteur is one of the fathers of modern medicine. Without his work and discoveries in the field of microbiology it is doubtful that we would have the world we have today. His work identified the causes of many diseases that were responsible for the...
By: Xauri'El Zwaan
Every form of life is continually evolving, being shaped by the feedback loop of variation, selection, and retention of complex characteristics. Human life is no exception to this universal law. People have a tendency to think and act as if the human form has never...
By: Russell Smith
Is Cloned Meat Safe to Eat? According to the United States Food and Drug Administration and the European Food Safety Authority, the milk and meat from cloned has been cleared for consumption by the general public. This recent news has not sat well with consumers...
By: Tracy Bishop
Butterflies and Moths Have you ever sat and watched butterflies flying around? Do you have a garden to attract butterflies? Or are you just interested in butterflies or moths? Have you ever thought about the differences and similarities between butterflies and moths? Both butterflies and...
By: Jordan Larry
There were many discoveries that had taken places in the late 1800s and early 1900s that had to do with heredity. Scientists, Cutton and Boveri formulated the chromosome theory of heredity in 1903, but the question was still not fully answered on what genes are...
By: Perry McCarney
Polymerase chain reaction (PCR) is the process used by all those investigating DNA (deoxyribonucleic acid), from any source, to produce a sufficiently large sample for the purposes of their investigation, if they only have a sample otherwise to small for their tests. This multiplication of...

 

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