- Twin - Wikipedia
Twins are two offspring produced by the same pregnancy [1] Twins can be either monozygotic ('identical'), meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic ('non-identical' or 'fraternal'), meaning that each twin develops from a separate egg and each egg is fertilized by its own sperm cell [2]
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- TWIN Definition Meaning - Merriam-Webster
The meaning of TWIN is either of two offspring produced in the same pregnancy How to use twin in a sentence
- Types of Twins: Identical, Fraternal, and Other Unique Types - Healthline
In a basic twin pregnancy, two embryos go their separate ways and develop into twin babies, whether identical or fraternal Some unique sets of twins follow a different path
- Twin | Identical, Monozygotic, Dizygotic | Britannica
Twin, either of two young who are simultaneously born from one mother Twinning, common in many animals, is of two biological kinds: the one-egg (monozygotic), or identical, type and the two-egg (dizygotic), or fraternal, type The latter type is more usual and can be thought of simply as a litter
- Understanding Twins - Psychology Today
Research on twins helps answer questions about many aspects of being human About three or four in every 1000 births are identical twins There are different types of twins, identical and fraternal
- TWIN | English meaning - Cambridge Dictionary
TWIN definition: 1 either of two children born to the same mother on the same occasion: 2 one of two very similar… Learn more
- twin - Wiktionary, the free dictionary
twin (plural twins) Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling Either of two similar or closely related objects, entities etc A room in a hotel, guesthouse, etc with two beds; a twin room A twin size mattress or a bed designed for such a
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