| fraternal twins |
The term twin most notably refers to two individuals (or one of two individuals) who have shared the same uterus (womb) and are usually, but not necessarily, born on the same day. A fetus alone in the womb is called a singleton. Due to the limited size of the mother's womb, multiple pregnancy is much less likely to carry to full term than singleton birth. ...
Ãâó: en.wikipedia.org/wiki/Fraternal_twins
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| fraternal twins |
Born at the same time but resulting from the fertilization of two different eggs, fraternal twins are no more genetically similar than siblings; identical twins result from the division of one fertilized egg and are genetically identical.
Ãâó: www.babycenter.com/glossary/F
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| fraternal twins |
Twins that have been produced by the simultaneous fertilization of two egg cells and who therefore share only on average 50 percent of their genes, just like other siblings; also called dizygotic twins.
Ãâó: www.niaaa.nih.gov/publications/arh26-3/165-171.htm
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