dizygotic twin

either of two twins who developed from two separate fertilized eggs
Syn: ↑fraternal twin
Hypernyms: ↑twin

Useful english dictionary. 2012.

Look at other dictionaries:

  • Dizygotic twin — A twins who have shared a common uterine environment with its twin but is due to a different fertilized ovum. Dizygotic twins are also called fraternal twins …   Medical dictionary

  • Twin — Monozygotic ( identical ) twins A twin is one of two offspring produced in the same pregnancy.[1] Twins can either be monozygotic (in common parlance, identical ), meaning that they develop from one zygote that splits and forms two embryos, or… …   Wikipedia

  • Twin study — Twin studies are one of a family of designs in behavior genetics which aid the study of individual differences by highlighting the role of environmental and genetic causes on behavior. Twins are invaluable for studying these important questions… …   Wikipedia

  • Twin — One of two children produced in the same pregnancy and born during the same birth process. Twins can develop from one ovum (egg) or from two ova (eggs): {{}}Twins from one ovum: Twins that develop from a single ovum are called monozygotic. They… …   Medical dictionary

  • twin — twin1 /twin/, n., adj., v., twinned, twinning. n. 1. either of two children or animals brought forth at a birth. 2. either of two persons or things closely related to or closely resembling each other. 3. See twin bed. 4. Also called …   Universalium

  • twin — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ identical, monozygotic (technical) ▪ dizygotic (technical), fraternal, non identical ▪ conjoined, S …   Collocations dictionary

  • Twin, vanishing — The disappearance before birth of one twin. Of all twin pregnancies, 40% result in the birth of a single child. The other twin is lost. This is termed the vanishing twin phenomenon. A gene that influences the prenatal survival of dizygotic (non… …   Medical dictionary

  • dizygotic — adj. Dizygotic is used with these nouns: ↑twin …   Collocations dictionary

  • fraternal twin — noun either of two twins who developed from two separate fertilized eggs • Syn: ↑dizygotic twin • Hypernyms: ↑twin * * * one of a pair of twins, not necessarily resembling each other, or of the same sex, that develop from two separately… …   Useful english dictionary

  • identical twin — noun either of two twins developed from the same fertilized ovum (having the same genetic material) • Syn: ↑monozygotic twin, ↑monozygous twin • Hypernyms: ↑twin • Hyponyms: ↑Siamese twin, ↑conjoined twin * …   Useful english dictionary

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