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.
Define twin. twin synonyms, twin pronunciation, twin translation, English dictionary definition of twin. n. 1. One of two offspring born at the same birth. 2. One of two identical or similar people, animals, or things; a counterpart. 3. twins Mineralogy Two...
Asheville Citizen-Times: Word from the Smokies: Convergence of diversity in Twin Creeks' Natural History room
The Natural History Collections room at Twin Creeks Science and Education Center in Gatlinburg, Tennessee, is the one place in the world where the endlessly surprising diversity of life found in Great ...
Word from the Smokies: Convergence of diversity in Twin Creeks' Natural History room
One twin, the 'donor' twin, is small and anemic, the other, the 'recipient' twin, is large and polycythemic. The lives of both twins are endangered by this condition.
There are different types of twins, identical and fraternal being the most common. Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are...
The meaning of TWIN is either of two offspring produced in the same pregnancy. How to use twin in a sentence.
Identical twins, also known as monozygotic twins, share the same egg at conception and are always either both boys or both girls. Fraternal twins, also known as dizygotic twins, come from two separate eggs fertilized at the same time. They could be the same sex or different.