2006-07-14 01:42:00 · 7 answers · asked by NANA D 1 in Society & Culture ➔ Other - Society & Culture
1:9 my friend
2006-07-14 01:47:06 · answer #1 · answered by Michael A 2 · 0⤊ 0⤋
Tried "handedness" in Wikipedia, got a link to this quote:
"In the general population about 8% of people are left-handed. Within a family, left-handedness is more common if one parent - particularly the mother - is left-handed, and even more common if both parents are left-handed. This does not apply to adopted children, suggesting that the link is genetic rather than environmental. However, as yet there is no clear explanation of how genetic factors can influence the choice of preferred hand. With regard to brain lateralisation: in most people the left side of the brain controls the movements of the right upper limb and speech. It has been proposed that in evolutionary terms there is a link between handedness and language development. In left-handers, although you might expect a simple mirror-reversal of this arrangement, the situation is less clearcut. The preferred left limb is controlled by the right hemisphere as expected, but in only about 30% is speech controlled by the same right side."
i.e. a ratio of slightly more than 9:1 RH to LH in the population (of humanity, apparently - neither of these sources mentioned regional differences in occurrence, despite regional differences in prejudice against left-handers)
2006-07-14 08:57:53 · answer #2 · answered by tjs282 6 · 0⤊ 0⤋
There is an amazing amount of variation across the world and some interesting blips.
Children of professional artists, musicians and sportspeople are three times as likely to be left handed.
Also there are clusters such as Bushmills in Co antrim where for the last 50 years the majority of the population have been left handed, thought to be due to small gene pool.
2006-07-14 08:56:36 · answer #3 · answered by blackstuffman2000 2 · 0⤊ 0⤋
I believe it is 50--50 %
there are many more left handed people than i had thought
LOL
;o)
2006-07-14 08:47:43 · answer #4 · answered by sweet-cookie 6 · 0⤊ 0⤋
im anbidextrous so dont know, when i grew up in Ireland in the 70s the teachers used to belt us if we used our left hand for writing, how awful as my daughter is left handed and anybody lays a hand on her i would KILL!!
2006-07-14 08:58:20 · answer #5 · answered by womam12 5 · 0⤊ 0⤋
Im not sure,my partner is left handed.I find it peculiarto watch him do things.I had never met a left handed person before.
2006-07-15 20:58:59 · answer #6 · answered by Anonymous · 0⤊ 0⤋
in our home its 1in 7
2006-07-17 11:29:59 · answer #7 · answered by Anonymous · 0⤊ 0⤋