The Basics of Genetics

DNA is often depicted in a quite monumental way. And this is quite comprehensible when you imagine what this molecule can do. It is the substance our genes are made of. For all readers, who are not 100% clear how the terms DNA, gene or genome relate to one another, the following short background articles are recommended:

So what is a “gene? What is it made of? Where does it start, where does it end? How many are there?

The (human) genome. How is it structured? What does it mean to us?

Small cell biology (ex)course. What is a cell made of? How do all these cells work together to build an entire organism?

DNA RNA protein. What exactly is DNA and what is RNA? How do they work together?

Genetic engineering. What is this gigantic research and industrial area about? What to expect from biotechnology in the future; what to fear?

DNA-RNA-Protein

DNA-RNA-Protein
If you look at the components of cells or the entire (e.g. human) organism, you will essentially find a relatively manageable spectrum of substance classes. As is well known, water is the most common molecule in the human body, so all other compounds act in this watery environment. In addition to some ions, the following...

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Little Cell Biology (Ex)Course

Little Cell Biology (Ex)Course
In the middle of the 19th century, the botanist Matthias Schleiden and the physiologist Theodor Schwann developed the so-called cell theory. This states that all organisms - plants, animals, fungi - are made up of microscopic cells. These cells work together in a highly coordinated manner, but they are functional units that can be separated...

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Bio- and Gene Technology

Bio- and Gene Technology
“Biologists create artificial life”, “May man play God?” These and similar headlines can be found increasingly in the daily press, especially in the last few years. However, the research that is actually behind the articles is often difficult or impossible to understand for most readers. What is CRISPR and what does it mean when it...

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The (human) Genome

The (human) Genome
“Without a doubt, this is the most important, most wondrous map ever produced by human kind.” […] “Today we are learning the language in which God created life.”Bill Clinton, 2000 [1] That's how vividly Bill Clinton expressed it back in 2000, when the first full sequencing of a human genome was announced. But does the...

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What is a Gene?

What is a Gene?
So what are genes? - Well, they have something to do with DNA. If you don't know more about genes than that, there's no shame in it. The term “gene” has always been vague and it has remained so to this day. To illustrate how that is, this article has been divided into two parts:...

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