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.

Jan 2, 2026 · 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 …

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.

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

1 day ago · If you have a twin brother or sister, the two of you are always the same age. There are identical twins, who have the same DNA, and fraternal twins, who are more like two siblings who …

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 accommodation …

Twins are two babies that are born at the same time. Human twins are two people that shared a single pregnancy, and one is normally born quickly after the first. There are 2 types of twins. They are: …