Further informationFraternal twins are more common than identical twins. About two-thirds of all twins are fraternal while only one-third are identical.
ExplorationTwo of a kind!
Sometimes you can find things in nature that are twins! For example, there is a plant often called “The Twin Flower”. Can you guess how this plant got its name?What are some other things you know about which come in pairs of two??
Sources & links
“Twinflower.” Connecticut Wildflowers. 2005. Connecticut Botanical Society. 27 Mar. 2010 “Why do twins occur?” Babyworld. 27 Mar. 2010 Ratan, Rini Banerjee MD and Mary E. D’Alton MD. “Where Do Twins Come From?” Columbia University Department of Obstetrics and Gynecology. 22 Apr. 2008. Revolution Health. 27 Mar. 2010 "twin." Encyclopædia Britannica. 2010. Encyclopædia Britannica Online. 27 Mar. 2010