The
hallux pl.
halluces or big toe is the innermost
toe of the
foot, counted as digit I.In humans, the hallux is longer than the second or pointer toe for a majority of people. This is an
inherited trait in humans, where the
dominant gene causes the normal length hallux while the
homozygous recessive geneotype presents with a longer second toe. (Commonly known as "mitten foot").The human big toe has limited grasping ability. The big toe was once opposable (like the
thumb) to human ancestors (and still is to other apes), but it lost that ability so humans can walk up-right on two legs (but, humans still carry the gene for an opposable toe).
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