Why Do Some People Have an Extra Toe?

Some people are born with an extra toe because their parents passed them a special kind of genetic message that told their body to make one more toe than usual. It's like if you had two thumbs on your hand, it happens in about 1 out of every 200 babies.

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Examples

A baby is born with six toes on one foot because of a special message in their genes.
Some people have an extra toe that looks like it came from another family member.
You can sometimes see an extra toe in animals, too, like some dogs and cats.

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Categories: Health · extra toe· polydactyly· genetics· evolution· anatomy