Shoe size is relatively proportional to height in males, especially after puberty. Tall men tend to have larger feet than average-height or shorter men. ... Foot and shoe size often become larger as men age. This is due to a number of factors, including weight gain and the wear and tear feet take over time.
Cats with extra toes have them because of a genetic mutation that often results in a dominant gene being shared down a family tree. If one parent is polydactyl, odds are good that at least some of their children will also be polydactyl. ... She had kittens with extra toes, then they had kittens with extra toes.