Why Are Some People Left-Handed and Others Right-Handed?

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1.
HANDEDNESS
2.
LEFT
3.
RIGHT
4.
BRAIN
5.
GENETICS
6.
CULTURE
7.
STIGMA
8.
LATERAL
9.
HEMISPHERE
10.
SINISTER
11.
DICHOTOMY
12.
INTRICATE
13.
WOMB
14.
DEVELOP
15.
PREFERENCE
16.
DOMINANT
17.
MAJORITY
18.
MINORITY
19.
ARCHAEOLOGY
20.
ASYMMETRY
21.
SOUTHPAW
22.
BIASED
23.
NURTURE
24.
NATURE
25.
DNA