A better, faster, or more precise performance or individual preference for use of a hand, known as the dominant hand; the less capable or less preferred hand is called the non-dominant hand. Dominance typically applies to all tasks, but in rare cases may be task-specific (known as cross-handedness or mixed-dominance) Ambidexterity is the ability to do any task equally well with either hand. The phenotype is EFO_0009902 (handedness). Also known as: Ambidexterity, Mirror Writing, Mirror Writings, Writing, Mirror, Writings, Mirror.