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] .

The meaning of TWIN is either of two offspring produced in the same pregnancy. How to use twin in a sentence.

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.

either of two children or animals brought forth at a birth. either of two persons or things closely related to or closely resembling each other. twin bed. Also called twin room. a type of hotel …

TWIN meaning: 1. either of two children born to the same mother on the same occasion: 2. one of two very similar…. Learn more.

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...

Mar 6, 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 identical, type and the two-egg (dizygotic), or fraternal, type.

2 days ago · 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 ...

Twin is used to describe two things or ideas that are similar or connected in some way.

At the core of many people’s fascination with twins is the belief that, at least in the case of identicals, their minds are as similar as are their bodies. There is both truth and conjecture in...