Which of the following statements regarding handedness is true?
A) For the majority of individuals, handedness is inherited from the mother's side of the family.
B) Ordinary siblings are more likely than identical or fraternal twins to differ in hand preference.
C) Rates of left-handedness are elevated among people with intellectual disabilities and mental illness.
D) Right-handed children are more likely to develop outstanding verbal and mathematical talents.

Question

Quizplus · Accepted Answer

Rates of left-handedness are elevated among people with intellectual disabilities and mental illness. Research suggests that these conditions may disrupt the normal process of determining handedness during brain development. The other statements are not supported by current research.

Which of the Following Statements Regarding Handedness Is True