Twins are two offspring produced by the same pregnancy. Twins can be either monozygotic, meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic, meaning that each twin develops from a separate egg and each egg is fertilized by its own sperm cell. In contrast, a fetus that develops alone in the womb is called a singleton, and the general term for one offspring of a multiple birth is a multiple. Unrelated look-alikes whose resemblance parallels that of twins are referred to as doppelgangers.
关于Twins
Ivan Reitman-directed buddy film about completely physically contrasting twins separated at birth who are reunited when Julius goes looking for Vincent.
Twins的成就
The film scored a Golden Globe nomination for Best Original Song - Motion Picture with Skip Scarborough's track "Twins."
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Twin Category.. Cloning - Cloning is the process of producing individuals with identical or virtually identical DNA, either naturally or artificially. In nature, many organisms produce clones through asexual reproduction.. Doppelgänger - A doppelgänger is a biologically unrelated look-alike, or a double, of a living person. In fiction and mythology, a doppelgänger is often portrayed as a ghostly or paranormal phenomenon and usually seen as a harbinger of bad luck. Other traditions and stories equate a doppelgänger with an evil twin.. Evil twin - The evil twin is an antagonist found in many different fictional genres. The twin is physically nearly identical to the protagonist, but with a radically inverted morality.. Gemini (astrology) - Gemini is the third astrological sign in the zodiac, originating from the constellation of Gemini. Under the tropical zodiac, the sun transits this sign between about May 21 to June 21. Under the sidereal zodiac, the sun transits this sign from about June 16 to July 16.. Incest between twins - Incest between twins or twincest is a subclass of sibling incest and includes both heterosexual and homosexual relationships.. Litter (animal) - A litter is the live birth of multiple offspring at one time in animals from the same mother and usually from one set of parents, particularly from three to eight offspring. The word is most often used for the offspring of mammals, but can be used for any animal that gives birth to multiple young.. Reproduction in mammals.. Sibling.. Zoology.
