Quote:
Originally Posted by umair jarwar
@ gul niazi
I will be highly thankful to you if you can provide me the reference about the effect of testosterone in the right or left hand conquest of an individual?
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Well bro first of all Its not a final word that testosterone is responsible for left-handedness but since its the male population which is most vulnerable to this left-handedness so scientists say that may be Its male sex hormone called testosterone which is responsible for it.But still its just theories nothing concrete is established yet.
you can check this link as well.
Understanding Genetics: Human Health and the Genome
And this one is for left handed guys only.
Current research into lefthandedness | Anything Left-Handed