Pab laug txhais tes ntxaib?

Cov txheej txheem:

Pab laug txhais tes ntxaib?
Pab laug txhais tes ntxaib?
Anonim

Kev sab laug yog qhov tshwm sim ntawm cov noob thiab ib puag ncig. Kwv yees li 50 feem pua ntawm cov txiv neej ntau dua cov poj niam yog sab laug thiab17 feem pua ntawm cov menyuam ntxaib yog, piv nrog kwv yees li 10 feem pua ntawm feem ntau. Qhov kev xav ntawm 'vim ntxaib' kev xav qhia tias cov neeg sab laug yog thawj tus ntxaib, tab sis txoj cai fetus ua tsis tiav.

Puas yog menyuam ntxaib yuav yog sab laug?

Feem ntau, left-handedness muaj nyob hauv 10.6% ntawm tag nrho cov pejxeem. Qee qhov kev tshawb fawb tau tshaj tawm tias kev mob sab laug muaj ntau dua hauv cov menyuam ntxaib dua li hauv singletons, tshwm sim hauv 21% ntawm cov neeg uas yog menyuam ntxaib.

Yuav ua li cas rau cov ntxaib sab laug?

Tsab laug ntxaib xaiv ib tus pas uas yuav ua rau nws tsis zoo. Bt tus ntxaib sab xis tau khaws tus mos lwj antler, thiab nrog ib qho kov nws rhuav tshem nws tus kwv. Thiab tus ntxaib sab laug tuag, tab sis nws tuag thiab nws tsis tuag. Tus ntxaib sab xis tuav lub cev thiab muab pov tseg ntawm ntug ntiaj teb.

Cov menyuam ntxaib yog ob sab xis lossis sab laug?

Nyob rau hauv kwv yees li 21% ntawm qhov zoo tib yam (monozygotic lossis MZ) ntxaib khub, ib tus ntxaib yog sab xis thiab lwm tus yog sab laug tes lossis ambidextrous. Txij li thaum cov menyuam ntxaib zoo tib yam sib koom cov noob caj noob ces, qhov no yog pov thawj tias kev txhais tes tsis yog qhov zoo ntawm caj ces. … Tab sis li ntawm 17% ntawm tag nrho cov ntxaib yog sab laug.

Yuav ua li cas yog ob tug kwv tij raug sab laug?

Ntawm qhov nruab nrab, qhov muaj feem ntawm ob niam txiv sab xismuaj ib tug me nyuam sab laug nyob ib ncig ntawm 9% cov me nyuam sab laug, ob tug niam txiv laug nyob ib ncig 26% thiab ib tug laug thiab ib tug niam txiv sab xis nyob ib ncig ntawm 19%.

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