50 Photos Showing How Genetics Makes People Unique 50 Photos Showing How Genetics Makes People Unique

50 Photos Showing How Genetics Makes People Unique

3) Bifid Thumb

About 1 in 1,000 babies are born with bifid thumbs or pre-axial polydactyly. My father has it too. This thumb is from our Uber delivery driver.

Also Read: What Is The Campus Life Like At Princeton University?