Health
Identical twins are genetically different, according to a new study
“Identical” can be a subjective term.
“Identical” can be a subjective term. With new research Identical twins, A visual doppelganger, but not Genetically Same.
The· Discovery comes From Icelandic scientists, we have sequenced 387 sets of DNA from both identical twins born from a single fertilized egg. They also studied their parents and children. According to Kali Stephanson, they discovered “early mutations that separate identical twins.” Kari, a geneticist at the University of Iceland and deCODE Genetics, is also a co-author of the study.The study was published in a specialized journal on Thursday Nature Genetics.
Mutations are another way of expressing changes in DNA sequences. Small mutations are not always good or bad. However, they affect a variety of physical characteristics and can alter the body’s vulnerability to certain illnesses. These usually occur when cells divide and errors in the DNA replicate with it.
On average, identical twins have 5.2% of these early detected genetic differences, according to studies from Dr. Stephenson and colleagues. But, surprisingly, 15% of twin sets have more genetic differences than the small 5.2%. Stephenson explained that there can be as many as 100 twins.
These differences are not obvious and can form a small part of the sibling’s overall genetic code. That said, you can also influence the different traits of your siblings to determine which one is taller or which will come off faster. Prior to this study, many researchers believed that environmental factors such as nutrition and lifestyle would make physical differences in identical twins.
Previous studies, like those published in 2008, American Journal of Human Genetics, Focused on some genetic differences between identical twins. This new data describes all previous tests by including the parent. DNA, And the same twin children and spouse. By including this section, researchers were able to determine the approximate time that these gene mutations occurred in the two classes of cells. They even discovered that some mutations occurred before the embryo split into two.
For parents, the chances of having identical twins Relatively rare.. On average, there are only about 3-4 sets of identical twins for every 1,000 live births. Twins can be boys or girls, but the same twins are always of the same gender.
Such studies have led to a better understanding of the unique differences that twins have. It leads to better medical care, a more secure understanding of DNA, and can build a bridge to reveal more secrets of our genetic code.
Source: explain, Times Now News, Health line
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