Not 'abnormal' as such but certainly unusual. The vast majority of people are right-handed - because it's normally the left-side of the brain that controls movement. In left-handed people, the situation is reversed.
No
No
None occur directly from left-handedness, though it is known to be linked to other genetic disorders.
Right handedness is known as Dexter, and left handedness as Sinister.
Ambidextrous
Raquel Peisekovicius has written: 'The left-handed child' -- subject(s): Left and right-handedness, Left- and right-handedness, Psychology of Reading, Writing
Yes.
Margaret Macdonald Clark has written: 'Left-handedness' -- subject(s): Laterality, Left- and right-handedness 'Young fluent readers' -- subject(s): Books and reading, Children, Reading 'Teaching left-handed children' -- subject(s): Left- and right-handedness
Left-handedness can have a genetic component, but it is not completely determined by genetics. Research shows that having one or both parents who are left-handed can increase the likelihood of a child being left-handed, but environmental factors can also play a role in the development of handedness.
Noboru Sakano has written: 'Muishiki no no shinrigaku' 'Latent left-handedness' -- subject(s): Brain, Cerebral hemispheres, Left and right (Psychology), Left- and right-handedness, Localization of functions
Cerebral dominance is also related to handedness--whether a person has a strong preference for the use of their right or left hand.
Left handedness isn't wrong. Right handers just think that because 1 out of every 5 people are lefthanded. That's only about 2% of Americans.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!