
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, …
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
Apr 25, 2023 · 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
May 15, 2025 · 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 …
TWIN | definition in the Cambridge English Dictionary
TWIN meaning: 1. either of two children born to the same mother on the same occasion: 2. one of two very similar…. Learn more.
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 …
twin - Wiktionary, the free dictionary
May 24, 2025 · 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.
What does twin mean? - Definitions for twin
A twin is one of two offspring produced in the same pregnancy. Twins can either be monozygotic, meaning that they develop from one zygote that splits and forms two embryos, or dizygotic …
Twin - definition of twin by The Free Dictionary
1. Being two or one of two offspring born at the same birth: twin sisters. 2. Being two or one of two identical or similar people, animals, or things: twin cities; a twin bed. 3. Botany Of or relating to …
Do Twins Run in Families? What to Know About the Heredity of Twins - WebMD
Sep 23, 2024 · Suppose you're pregnant and a close relative (like a parent or sibling) has fraternal (non-identical) twins. In that case, you're twice as likely to have twins yourself. Read on to …
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