Why are people right-handed or left-handed ?

Why are people right-handed or left-handed ?
by

1 Answer

Answer :

Scientists believe that the answer to this question is hidden in human genes. The microscopic part of a human cell is called a gene , which contains DNA (deoxyribonucleic acid). This DNA determines who will be what. The trait we inherit from our parents is a hereditary process. However, scientists are not 100% sure about this. According to them , our eye color , hair type , height অনেক many of these characteristics are determined by genes. Being left-handed is not uncommon in the same process. However , scientists have not yet been able to confirm that. Since a small number of people are born left-handed , a group of scientists speculate that left-handedness may be due to a mutation or a change in DNA. According to another group of scientists , hormones play an important role. Hormones in our brains may alter some of the changes in our brains during pregnancy , which make us think we are left-handed. Many have said that it is possible to bring ability in the right hand through training.
by

Related questions

Do left handed people feel odd shaking hands with their right?

Description : Do left handed people feel odd shaking hands with their right?

Last Answer : I’m left handed. I never noticed a problem using my right hand. ~ It is actually better for me since I can secretly have my left hand on my concealed firearm or sword in case things go awry.

Are animals left " handed" or right "handed" as people are?

Description : Are animals left " handed" or right "handed" as people are?

Last Answer : I dont know about dogs, but ive noticed a lot of marine invertebrates that tend to favor one claw or appendage over the other. My mantis shrimp always attacks with his right raptorial claw first.

If you wear a woman's size L glove and have some extra right-handed ones, how about matching them with my collection of left-handed ones?

Description : If you wear a woman's size L glove and have some extra right-handed ones, how about matching them with my collection of left-handed ones?

Last Answer : It’s a big mystery of life. Missing gloves, missing socks…there’s probably a Stephen King story about this.

Where do you keep your wallet or purse, and are you left or right handed?

Description : Where do you keep your wallet or purse, and are you left or right handed?

Last Answer : Right handed. Front right pocket.

I was born as 'situs inversus totalis'. I'm right-handed. Does that mean I am really left-handed? Does that mean that my Broca's area is on the right side?

Description : I was born as 'situs inversus totalis'. I'm right-handed. Does that mean I am really left-handed? Does that mean that my Broca's area is on the right side?

Last Answer : I believe that situs inversus is limited to the viscera, so I think your brain is probably normative.

Was Gary cooper right or left handed in high noon?

Description : Was Gary cooper right or left handed in high noon?

Last Answer : Need answer

Is WWE goldberg right or left handed?

Description : Is WWE goldberg right or left handed?

Last Answer : What is the answer ?

What is the difference between left and right handed golf club sets?

Description : What is the difference between left and right handed golf club sets?

Last Answer : The difference in left and right Golf club sets is that they are specifically designed for whichever arms you use to play golf with.

What is the real difference between right and left handed golf clubs?

Description : What is the real difference between right and left handed golf clubs?

Last Answer : The only difference in the right versus left handed clubs is which way the head of the club faces. Many Golf specialists agree that you should always try right handed clubs first! Even if you are left handed, you may not need left handed clubs.

Is Kate Middleton left or right handed?

Description : Is Kate Middleton left or right handed?

Last Answer : She is right handed

B-DNA is: (a) Antiparallel and right handed (b) Antiparallel and left handed (c) Parallel and right handed (d) Parallel and left handed

Description : B-DNA is: (a) Antiparallel and right handed (b) Antiparallel and left handed (c) Parallel and right handed (d) Parallel and left handed

Last Answer : Ans. ((a))

Pick up the correct statement from the following: (A) With both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from knots (B) The follower of the chaining operation should be more experienced than the leader (C) At the end of the tenth chain length, the two chain men meet and the ten arrows are handed over to the leader (D) All the above

Description : Pick up the correct statement from the following: (A) With both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from ... the two chain men meet and the ten arrows are handed over to the leader (D) All the above

Last Answer : (D) All the above

Is there something special about left-handed people?

Description : Is there something special about left-handed people?

Last Answer : My son is left handed and according to him thsy are very special people,

Is it odd to have three lefties (left-handed people) in one immediate family?

Description : Is it odd to have three lefties (left-handed people) in one immediate family?

Last Answer : No! I think its fascinating. Myself, my dad, and two aunts are left handed. My boyfriend is left handed as well.. We like it because we can sit by eachother at a restaraunt and not bump into eachother!

What are some interesting facts about left-handed people?

Description : What are some interesting facts about left-handed people?

Last Answer : Here are a few of the most interesting facts about lefties (and by the way, this answer was written by a lefty):Four of the last six U.S. presidents were lefties. Ronald Reagan, George H.W. ... American lefties earn 6 percent less than righties, which means an income of about $1,300 less per year.

In which sport are left handed people banned from playing

Description : In which sport are left handed people banned from playing

Last Answer : Polo

Lefties, care to share your left handed experiences?

Description : Lefties, care to share your left handed experiences?

Last Answer : answer:My mom is lefty. I wouldn't call this particular thing I'm going to name a struggle, but I know she tries to sit at the end of the table where her left elbow won't hit the person ... scissors and cooks (stirs and mixes) righty, so she doesn't have some of the struggles some lefties have.

In a formal dining setting, is it gauche for a left handed person to re-arrange the silverware to better meet their needs?

Description : In a formal dining setting, is it gauche for a left handed person to re-arrange the silverware to better meet their needs?

Last Answer : answer:I don’t think it’s gauche, but I’m not left handed, and I don’t travel in the social circles where people would ever use the term “gauche”. But I do think there is some irony in your use of the word “gauche” in the first place.

This may seem a stupid question, but how does a left-handed string player play in an orchestra?

Description : This may seem a stupid question, but how does a left-handed string player play in an orchestra?

Last Answer : They are generally seated at the other end of the line. if there are more than one, then they sit together.

If a person is naturally left handed, but is forced to "change" when they're small, can it affect their intellectual and mental development?

Description : If a person is naturally left handed, but is forced to "change" when they're small, can it affect their intellectual and mental development?

Last Answer : I hope it hasn't caused any long term problems. My First Grade teacher tried to force me to use my right hand. My parents discovered this when I came home with papers with almost all the hand-writing ... no source for this and have never done any research on it but it is interesting to think about.

Are left-handed pitchers really slower to home plate?

Description : Are left-handed pitchers really slower to home plate?

Last Answer : John Rickert has written an excellent analysis of this claim. He concludes: * Left-handed pitchers are more difficult to steal on. * Some base-stealers appear to have been able to steal as well or better against LHP than against RHP. * LHP appear to take more time to pitch from the stretch than RHP.

Who played Billy the Kid in The Left Handed Gun?

Description : Who played Billy the Kid in The Left Handed Gun?

Last Answer : Paul Newman

Where does a left-handed batsman get out if he gets caught ?

Description : Where does a left-handed batsman get out if he gets caught ?

Last Answer : If you get caught in gloves, you will not be out. You have to catch the catch.

What is Fleming's left-handed rule ?

Description : What is Fleming's left-handed rule ?

Last Answer : : If the thumb , forefinger and middle finger of the left hand are extended at right angles to each other, if the index finger points in the direction of the magnetic force line and the direction of the middle current, then the thumb will point in the direction of rotation of the conductive wire.

Is Shaquille O'Neal left handed?

Description : Is Shaquille O'Neal left handed?

Last Answer : Need answer

Is Chris rock left handed?

Description : Is Chris rock left handed?

Last Answer : Need answer

Is Dave franco left handed?

Description : Is Dave franco left handed?

Last Answer : yes

What scholarships are available for left-handed students?

Description : What scholarships are available for left-handed students?

Last Answer : The Being Left Handed website offers some details on possible scholarships for left-handed people. They state one such scholarship is for $1,000 at Juniata College in Pennsylvania. http://www.beinglefthanded.com/Left-handed-Scholarships.html

What type of home office desk is best suited for a left handed person?

Description : What type of home office desk is best suited for a left handed person?

Last Answer : Bauer makes several types of offices desks that a left handed person would find useful.

Is it possible to have a left-handed Variax bass manufactured?

Description : Is it possible to have a left-handed Variax bass manufactured?

Last Answer : Yes it is possible. In fact, many larger stores have one or two lefthaded models in stock.

Is J. Cole left handed?

Description : Is J. Cole left handed?

Last Answer : left handed

Is Bruce Springsteen left handed?

Description : Is Bruce Springsteen left handed?

Last Answer : No. Bruce Springsteen is right handed.

How many left handed catchers in MLB?

Description : How many left handed catchers in MLB?

Last Answer : 0

Was Einstein left handed?

Description : Was Einstein left handed?

Last Answer : I would also like to know the complete answer. There seems to be people that are quite sure of themselves giving both answers. I have seen a few images of him with a chalk in his right hand. As a ... (in this case holding his pipe) and interestingly (to my surprise also), in all the images he seem

Is Sasuke Uchiha left-handed?

Description : Is Sasuke Uchiha left-handed?

Last Answer : yes because when he does chidori he uses his left hand That's true, but when he writes and fights he use his right hand to to fight with the kanata... xD

Left handed double helix is present in (A) Z-DNA (B) A-DNA (C) B-DNA (D) None of these

Description : Left handed double helix is present in (A) Z-DNA (B) A-DNA (C) B-DNA (D) None of these

Last Answer : Answer : A

Who played Billy the Kid in The Left Handed Gun

Description : Who played Billy the Kid in The Left Handed Gun

Last Answer : Paul Newman

A watchmaker was telephoned urgently to make a house call to replace the broken hands on a clock. He was sik so he sent his apprentice.The apprentice was thorough. When he finished inspecting the clock it was dark. Assuming his work was done, he attached the new hands and set the clock by his pocket watch. It was sic o'clock, so he set the big hand at the 12 and the little hand at the 6.The apprectice returned, but soon the telephone rang. He picked up to his angry client:'You didn't do the job right. The clock shows the wrong time.'Surprised he hurried back. He found the clock showing not much past eight. He handed is watch to the client and showed her that her clock was not even one second late. The client had to agree.Early the nect morning, the client telephoned to say the clock has ap

Description : A watchmaker was telephoned urgently to make a house call to replace the broken hands on a clock. He was sik so he sent his apprentice.The apprentice was thorough. When he finished inspecting the clock ... had to agree.Early the nect morning, the client telephoned to say the clock has ap -Riddles

Last Answer : As the problem says the apprentice mixed up the hands so that the minute hand was short and the hour hand was long. The first time the apprentice returned to the client was about 2 hours and 10 ... hand made 13 full circles and 5 minutes, reaching 7, So the clock showed the correct time again.

State right handed screw rule.

Description : State right handed screw rule.

Last Answer : State right handed screw rule.

A non-relativistic enters into a right-handed coordinate space with velocity `10^(4) m s^(-1)` at an angle of `60^(@)` with the x-axis in the xy-plane

Description : A non-relativistic enters into a right-handed coordinate space with velocity `10^(4) m s^(-1)` at an angle of `60^(@)` with the x-axis in the xy-plane

Last Answer : A non-relativistic enters into a right-handed coordinate space with velocity `10^(4) m s^(-1)` ... helical trajectory. What is the axis of the helix?

Is Mike Trout right handed?

Description : Is Mike Trout right handed?

Last Answer : mike trout is a right handed thrower and right handed batter.

What are some of the oldest family stories handed down to you, ones that you hold most dear?

Description : What are some of the oldest family stories handed down to you, ones that you hold most dear?

Last Answer : Our cousin was Wild Bills mother. Grandma’s family.

What if the Russia investigation comes up empty handed?

Description : What if the Russia investigation comes up empty handed?

Last Answer : Absolutely.

If someone handed you a book that was a story of your life, would you read it ?

Description : If someone handed you a book that was a story of your life, would you read it ?

Last Answer : answer:No. Especially if it tells me what is going to happen in the future. I have no interest in knowing what is coming. One important question to me: who wrote the book? If it was written ... , so the author will take one attitude or another. No, conceptually, this idea has no appeal whatsoever.

How would you get a really firm, 2 handed grip on a piece of waxed dental floss?

Description : How would you get a really firm, 2 handed grip on a piece of waxed dental floss?

Last Answer : tie each end to a stick.

If someone handed you a check for $1,000,000, what would you do with the money?

Description : If someone handed you a check for $1,000,000, what would you do with the money?

Last Answer : answer:If I lived in NYS, which I do, and invested in the Vanguard Long Term Triple Tax-free bond fund, which I would, I would clear today $36,100. That would be nice to share ... a little to continue to improve my property the Gail Calder Nature Conservancy to be enjoyed by future generations.

In your early fifties did you find yourself doing things the other way round or life handing out things it should have handed twenty years before?

Description : In your early fifties did you find yourself doing things the other way round or life handing out things it should have handed twenty years before?

Last Answer : answer:I have found myself in my fifties having to reestablish my credit and finances after a nasty divorce. I have also found myself exploring relationships in ways I wish I had availed myself of back when I was thirty years younger.

Before I ask this question, Yes, I do know wrestling is just a show but does anyone else think it's crappy how The Rock can leave wrestling and come back when he feels like it and have everything handed to him on a silver platter?

Description : Before I ask this question, Yes, I do know wrestling is just a show but does anyone else think it's crappy how The Rock can leave wrestling and come back when he feels like it and have everything handed to him on a silver platter?

Last Answer : answer:Maybe they want to get you pissed off, so someone else can knock him off, and you’ll feel all better, like there’s love and justice and truth in the world again. Sorry, but this falls in the “get a life” category.

Should GA's handed out by the person who asked the question be worth more?

Description : Should GA's handed out by the person who asked the question be worth more?

Last Answer : No. Yes.