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Samples in periodicals archive:
Dizygotic twins are no more alike genetically than regular siblings, on average sharing 50 percent of their genes.
A maternal or family history of having twins increases the chance of having twins, either dizygotic or fraternal twins as this provides the woman the ability to ovulate two or more eggs during ovulation.
The breadth of this study allowed researchers the opportunity to examine a large spectrum of relatedness, including monozygotic (identical) and dizygotic (fraternal) twins; full siblings; maternal and paternal half siblings; and cousins.
Fraternal twins are dizygotic (derived from 2 fertilized eggs).
Apart from reduced likelihood of conception both naturally and through IVF, they will have higher incidence of aneuploidy, miscarriage and dizygotic twining (17, 18).
This registry involves a large-scale sample of monozygotic and dizygotic twin pairs who served in the military during the Vietnam era.
MAKE TWO Non-identical or dizygotic twins occur when two fertilized eggs are implanted in the uterus wall at the same time.
Monozygotic ('identical') twins also have a higher rate of congenital abnormalities than singletons or dizygotic ('non-identical') twins (Schinzel et al.