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 …

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.

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 identical, …

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

May 24, 2025 · twin (third-person singular simple present twins, present participle twinning, simple past and past participle twinned) (transitive, obsolete outside Scotland) To separate, divide. …

Being two or one of two identical or similar people, animals, or things: twin cities; a twin bed.

Sep 23, 2024 · Fraternal twins have separate amniotic sacs and placentas. Fraternal twins are the most common type of twin. Fraternal twins account for 70% of all spontaneous twin pregnancies.

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, …

Twin definition: either of two children or animals brought forth at a birth.. See examples of TWIN used in a sentence.