Like all databases where we store useful information, humans store all their data in themselves – specifically in every cell of their body! That is why understanding human DNA and how it can help with medicine, crime-solving, and many other fields is of utmost necessity.
Deoxyribonucleic acid (DNA) is the molecule that contains the biological instructions that define each species. During reproduction, DNA, along with its contents, is inherited by offspring from their parents. Located in the nucleus – eukaryotes – DNA has vital functions in our lives. This blog post will describe why DNA is important.
15 Benefits Of DNA In Sustaining Life
DNA is responsible for storing genetic information. It plays a role in every process that takes place in our cells. Without DNA, we wouldn’t be able to grow, develop, or reproduce. Furthermore, it has an impact on our living patterns and society.
1. DNA Stores Genetic Information
When a child is born, they look like their parents because they inherit specific traits from them. For example, if both of the child’s parents have brown eyes – there is a ninety percent chance that the child will also have brown eyes. It’s because all genetic information is inside DNA molecules.
The genetic information in DNA is encoded in a sequence of base pairs. During reproduction, the organism’s cells divide and essentially copy their own DNA for use during cell division. In humans, 23 chromosomes contain our genetic information.
These chromosomes only have one single strand that bonds with its complementary strand from another chromosome to form a double-stranded helix.
Offspring inherit their chromosomes from the parents and pass those genes to their own children, and so on.
2. DNA Finds Early History Of Life
Following on from the preceding point, DNA analysis has given us a wonderful look at human evolution. According to the evidence, anatomically modern humans appeared in Africa about 200,000 years ago. They then departed from Africa around 60-70,000 years ago, and spread across the world, supplanting other indigenous human populations such as the Neanderthals.
Eurasians are thought to have split into at least three groups less than 36,000 years ago – the Western Eurasians, East Asians, and a third unknown group. The features of all non-African races would be developed by the descendants of these lineages. Yet it was found that there was also some interbreeding with Neanderthals along the way.
DNA, which contains the instructions for all life processes, can explain how early life forms came into being.
3. DNA Produces Proteins
DNA is responsible for producing the proteins responsible for making life possible. DNA also stores information about replication, which allows cells to reproduce and pass on their genetic traits.
Without DNA, there would be no proteins so, without this hereditary material, there would be no life. Everything would fall apart in a manner of seconds if DNA was broken.
While the discovery of DNA has been able to explain much about life, it’s still critical that scientists continue their investigations as there is much more that we don’t know.
4. DNA Is Pivotal To Growth & Development
The genetic information stored in DNA is like an instruction manual for how to build and sustain life but it needs a tool to make the most of that information. It is called RNA – ribonucleic acid (RNA) – it is also found in the cell nucleus, but in this case, it is outside the proteins.
During development, DNA instructs RNA molecules to produce specific proteins. RNA copies information from DNA and passes it onto ribosomes in our cells – small molecular machines that translate all genetic instructions into physical traits or chemical reactions.
Because of this process, everyone’s fingerprints are unique just like their genes produce unique proteins. Hence all the growth is controlled by DNA.
Related Video – What is DNA and How Does it Work?
5. DNA Is Responsible For Reproduction
DNA stores every information at every stage of the reproduction of life, but apart from that it also has its benefits.
During sexual reproduction, offspring inherit genetic information from both parents, so new combinations of traits are possible. Sexual reproduction is not limited to humans – it is found in all species on Earth that reproduce sexually.
This means that DNA is necessary for our survival because it provides us with the information to reproduce.
6. DNA Is A Biomarker
A biomarker is any substance found in body fluids such as blood and urine. They can be used as indicators of disease and how the body is functioning.
DNA is important as a biomarker. It can provide information about whether or not a person has certain diseases such as Alzheimer’s Disease, HIV, muscular dystrophy, and some types of cancer. It can also help test for drug use.
7. DNA Ensures Health
The DNA molecule is composed of a double helix structure. It has four different nucleotides: adenine, thymine, cytosine, and guanine. Every triplet in the DNA code represents an amino acid that goes into making proteins – our body’s building blocks.
A gene is a hereditary unit consisting of nucleotides. Genes are constructed from DNA and contain the instructions for making proteins. Therefore, they determine what we look like and how our body functions among other things.
The fact that DNA is a molecule that contains all this information makes it very important because if something was to happen to DNA, then a person would get sick. Without it, you would die.
8. DNA Helps In Treating Diseases
Genetic disorders can be treated by altering the genome – which means that genetic engineering will one day allow us to treat diseases.
A DNA fingerprinting analysis, for instance, is a chemical test that examines the genetic makeup of a person or other living organisms. It’s used in courts to identify bodies, trace blood relatives, and search for cures for disease.
Our research has also allowed us to identify and predict hereditary illnesses. Some inherited diseases are caused by a combination of genetic flaws. Cancer, for example, is the consequence of cellular malfunctions caused by genetic abnormalities.
9. DNA Is Crucial To Forensic Science
Forensic science applies to many different sciences in answering questions to discover what happened at a crime scene and who committed the criminal act. It is used in criminal justice systems around the world for the investigation of crime – with genetic fingerprinting being a particularly useful technique.
DNA has a half-life of about 521 years. It means that it takes a long time for them to decompose.
Forensic scientists use DNA to identify a person’s genes, meaning that it can be used as a form of identification. It also helps to solve crimes committed and put the criminals behind bars where they deserve.
10. DNA Is Used In The Medical Science
Medical science has helped people live longer and healthier lives thanks to the many benefits of hospitals, doctors, nurses, etc. However, advancements in medical knowledge are only possible because of research done by scientists over time.
Research requires a thorough investigation using advanced techniques to study what happens to the body at a cellular level. Scientists are now able to use DNA as a way of identifying organisms that are responsible for causing different diseases.
If doctors can identify pathogens, they can then work out how these organisms function and develop methods of tackling them, leading to potential cures.
The best example of this is bacteria. Scientists have discovered that bacteria can become resistant to antibiotics and have found a way to outsmart them by using a new type of antibiotic.
11. DNA Is Identical To All Living Beings
The DNA of different organisms is very similar. All living beings on the Earth are related to one another – they have evolved from a more primitive life form through hereditary descent of characteristics with modification.
99.9% of the DNA in all humans is identical. It is the tiny difference that allows us to be individuals.
All living organisms are made up of cells and all cells contain DNA. It contains information about how an organism is formed and what it will look like.
The fact that the genetic code of an organism is identical gives humans a sense of similarity despite being different. It liberated mankind from prejudices.
12. DNA Relates To Anthropology
Anthropology is the study of human beings across time and space. For anthropologists to carry out their investigations, they need to use various techniques to compare fossils from different eras with current humans.
This is where DNA comes in. It can be used as a way of identifying evolutionary relationships between groups or species.
Studying the DNA has helped anthropologists to find out more about our evolutionary history.
Forensic anthropology uses DNA to identify bodies because it helps them determine factors such as race, sex, and age. It also helps to discover medical information about the deceased individual.
13. DNA Allows Species To Adapt To Their Environments
All of the Earth’s species have evolved due to mutations in their genetic code and natural selection. According to Charles Darwin, all new varieties derive from earlier forms through hereditary descent with modification – evolution is a change in organisms over time.
Natural selection is when individuals with favorable characteristics survive and reproduce more than those who don’t have them. As a result, these favorable changes or mutations become common in the species’ gene pool. That means that every new generation inherits genes that help it to survive in its environments better than earlier generations did.
14. DNA Has An Economic Aspect
People are now able to identify themselves through their DNA profiles. It has become a valuable commodity that can be bought and sold within the commercial genetic industry.
Once DNA has been used to identify an individual, it is then stored in a database – that can link individuals to crime scenes, create family trees, help with medical research, etc. Thus, DNA has an impact on the economy too.
According to a report released by Battelle, the $3.8 billion that the United States government invested in the Human Genome Project (HGP) from 1988 to 2003 resulted in an economic impact of $796 billion and a total personal income of $244 billion.
15. DNA Helps In Protecting Biodiversity
DNA’s discovery has revolutionized the way we breed and use plants – how we identify and protect our plant biodiversity. It has advanced our ability to create crops with desirable traits such as disease resistance, cold and drought tolerance.
Genetically modified plants are divisive, but whether we like it or not, their introduction has had a significant influence on food production. Commercial genetic modification of crops is divided into two phases: one, making them resistant to pests, and two, making them tolerant to pesticides and herbicides.
Importance Of DNA – Conclusion
DNA is crucial to determine who we are, where we come from. It also gives us an insight into how diseases work and helps shape our futures towards betterment. It’s the reason why DNA investigations are still being developed today, which will hopefully allow humans to treat diseases in the future.
A sophomore in engineering, I’m a budding writer and an adventure enthusiast. My passion leads me on to try my hands on different things. I enjoy music, food, and good company. Making my way through life in my own ways, you’ll find me holding a camera and capturing what this world has to offer.