Geneticists Are Untangling The Mystery Of Left-Handedness


The mystery of Left-Handedness is always interesting in the genetics study. It is that a series of genetic variants will influence handedness. There are no researchers who have not discovered a handedness gene.

But now using through brain illustrations of 9,000 people in United Kingdom researchers. It has divided a list of genetic variations that contribute to the different way brain processes end up on either side of the brain.

It, in turn, influences handedness and can also affect whether others can develop certain neurological diseases. All these are according to the paper in journal Brain.

The bias in the distribution of handedness is uniquely human characteristics, and we know from pre-historic that around 90 % of humans are right-handed for at least 10,000 years are the word of Dominic Furniss.

Geneticists Are Untangling Left Handedness

Most of the animals have a much evener distribution of left and right-handed individuals. Therefore, to begin to understand what is responsible for handedness distribution in humans, we must start from the question of what makes us humans.

Despite the human experience, there are lots of unresolved questions which are related to handedness. These are like how lefty and righty brains differ and the influence of genetics in them.

Mystery Of Left Handedness

Furniss is an associate professor at the University of Oxford in the United Kingdom along with his collaborators gets data from UK Biobank. They have studied 500,000 people who gave their physical and genetic data as well as medical records for the study. Researchers looked at the data accurately, which includes brain images of 721 lefties and 6,685 righties included in a set.

The analysis revealed four locations in our genomes whose identity is associated with left-handedness. Three of which are also associated with brain development, specifically areas related to the language. Geneticists Untangling Mystery Of Left-Handedness study published in a paper and in which these results made.

Geneticists Reasons For Handedness

They have discovered that in left-handed participants, the languages areas of the left and right sides of the brain function with each other in a perfect coordinate way.

The researchers also reveal a link between these regions and various neurological and psychiatric health-related issues. It includes an increased likelihood of having schizophrenia and anorexia nervosa and a decreased likelihood of Parkinson’s disease according to paper. The effects of these genes on the diseases are still relatively simple.

It is essential to note this study set out to find correlations in data on a specific population. It is not a conclusive link between genes and handedness, nor is it a link between handedness and neurological conditions.

The authors state that a study with another large group of people would need to confirm their results. They haven’t discovered genes for handedness but the study finds the likelihood of becoming left-handed influenced by many genetic variants and other non-genetic factors.

Geneticists Mystery Of Left-Handedness

It is essential to notice that the research discover correlations in information about particular inhabitations. It was not a conclusion to say about the mysteries of the left-handedness, but with these, we have concluded brain genetics.

Geneticists Untangling Mystery Of Left-Handedness

They are working on the thesis to know what are things that are influencing the handedness of human. But this thesis and study of Furniss will help s to know about them quickly. In similar words, he gave us a way to get the details affecting the left-handedness nature in the people.

They will research on working of the brain of the lefties with the help their genetic and brain imaging and compare them with the righties. It will conduct in different sets and then will conclude the working of minds. It is an exciting job and the first one of its such kind of study. Also, check the details about LightSail 2 Mission Success Solar Sail Propels Itself Using Only Sunbeams From Earth


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