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Twins are two offspring produced by the same pregnancy. Twins can be either monozygotic ("identical"), meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic ("fraternal"), meaning that each twin develops from two different eggs and each egg is fertilized by its own sperm cell.

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Twin Costume Ideas!

Whether you're looking to dress up for Halloween or Homecoming week, there are many cute ways to dress up with your twin!

Contributed by Dana Samelson

my sons

Fraternal twins. Never identical (skin, weight, mind)

Contributed by Laura Gurrola-Cordova

A pair of Female ere ibeji twin figures (early 20th-century) in the permanent collection of The Children’s Museum of Indianapolis

Contributed by Jennifer Davis

I dislike when twins are viewed as one person. Example: When I was 12, my dad bought my twin sister and I ONE cellphone. When we asked where the other one was, he exclaimed, "You guys can share. I mean, you're born the same day so you can just share the same thing." -_-

Contributed by Johanna L Garcia

Kaoru and Hikaru Hitachiin are the resident twins of the Ouran High School Host Club.

Contributed by Sara Cornett

The identical twins Tia and Tamera Mowry were born on June 6, 1978, in Gelnhausen, Germany. At the age of 12, the girls moved to California to pursue an acting career. Their most well-known roles were in the WB's "Sister Sister."

Contributed by Akiel Hunte

The Alpha twins from Teen Wolf

Contributed by Akiel Hunte

Twins have shown up a lot in my life. My dad's aunt and uncle had two sets of twins. I graduated with at least five sets of twins, but went to school with more than nine sets of twins. And a set of triplets. Growing up, I thought multiples were very common. But twins only occur 1 in every 30 births.

Contributed by Brooke Dodd

The dancing Les twins, of France, are one of the most famous set of twins.

Contributed by Atrice Alexis

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