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7

Yes it can, because exposure alone can cause mutations in your genes which is usually the main cause of cancer. For example, when we get exposed to UV light for longer periods of time, we can get skin cancer/melanoma. Here , of course no traces of these rays are present in our body, its just all due to prolonged exposure. Now to the fact that why does it ...


3

It seems very feasible to synthesize human DNA (please inform my ignorance, if I'm wrong. lol.) and it looks very promising after reading this: https://www.wired.com/story/live-forever-synthetic-human-genome/. It is certainly possible to synthesize human DNA, but it's another thing to create a functional chromosome. In fact, in the article you link to,...


2

There are several differences, both mechanistically and functionally. DNA edits are heritable by the daughter cells and are therefore permanent whereas RNA edits are not. The type of Cas protein used in the editing process for DNA and RNA are different. In the paper that you linked the authors have fused an RNA editing enzyme (ADAR) with dCas13 (a variant ...


2

No enzyme is involved in base-pairing (annealing). This does happens by chance, but the chances are governed by stoichiometric considerations. The main such consideration is that the (low molecular weight) primers are added at a high concentration (greater than that of the DNA) and therefore have a greater chance of encountering the appropriate region of ...


1

The article cited in the question goes on to discuss the different classes of restriction enzyme, for which the recognition ‘style’ differs. Not all recognize palindromic sequences. Type II restriction enzymes These have been divided into a number of subclasses (reviewed by Pingoud and Jeltsch). Those regarded as orthodox — which are the ones generally ...


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