can fraternal twins have same father?
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Fraternal (dizygotic) twins, meanwhile, occur when two separate eggs are fertilized by two separate sperm. ... The answer is yes, but only in cases in which they're fraternal, as identical twins form from a single egg/sperm combination and thus cannot have different fathers.
252011
Identical twins share all of their genes and are always of the same sex. In contrast, fraternal, or dizygotic, twins result from the fertilization of two separate eggs during the same pregnancy. They share half of their genes, just like any other siblings.
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Fraternal -- or dizygotic -- twins form from two eggs that have been fertilized by two of the father's sperm, producing two genetically unique siblings. They share 50% of their DNA. But "semi-identical" twins are so rare, experts say they have only identified two cases -- ever.
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Having identical twins is not genetic. On the other hand, fraternal twins can run in families. Genetics can definitely play a role in having fraternal twins. For example, a woman that has a sibling that is a fraternal twin is 2.5 times more likely to have twins than average!
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Fraternal twins may be the same gender, they may have many of the same characteristics, but also may be very different from each other and, in fact, share half of their genes just like their sisters and brothers.
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Genetics can definitely play a role in having fraternal twins. ... However, for a given pregnancy, only the mother's genetics matter. Fraternal twins happen when two eggs are simultaneously fertilized instead of just one. A father's genes can't make a woman release two eggs.
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Fraternal twins are born to parents who are different races. One twin happens to have all the mother's features while the other takes after the father. Heteropaternal superfecundation where the two fathers are different races. Each twin has the features of their own father's race.
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In fact, they have the same DNA! So no, conjoined twins with different fathers is not possible. ... The end result is not two separate, connected people but one person with a mix of both twins. Some of the chimera's cells have the DNA of one twin and the rest have the DNA of the other.
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Non-identical (fraternal) twins tend to run in families. But identical twins don't. Non-identical twins are the result of two separate eggs being fertilised by two separate sperm. ... Identical twins are the result of a single fertilised egg splitting, and this seems to be a random event.
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Unlike identical twins, who both come from the same fertilized egg, fraternal twins develop from two different eggs released at the same time. ... The splitting of a fertilized egg seems to happen at random. A woman who is an identical twin is no more likely to give birth to twins than anyone else.
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Fraternal twins develop when two separate egg cells get fertilized by two separate sperm cells. On the other hand, paternal twins develop when one sperm fertilizes one egg. Paternal and fraternal twins are also known as monozygotic and dizygotic twins.
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Yes - twins can be conceived at separate times and even by separate fathers, but only within a few hours or days in-between. Fraternal twins are the result of two eggs being present and fertilized to gestate concurrently.
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Fraternal twins are “dizygotic,” meaning that they developed from two different eggs fertilized by two different sperm cells, while identical twins are “monozygotic” i.e., they developed from a single fertilized egg that split.
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Fraternal twins are considered “dizygotic,” and that's when two separate eggs are fertilized by a two different sperm. “Each twin has his or her own placenta and amniotic sac. ... It seems like twins develop a bond long before they grace us with their presence in this world — whether they're identical or fraternal.
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When twins are born, the physician is usually able to identify whether twins are identical or fraternal by examining the placenta; identical twins generally share a placenta, while fraternal twins are usually in two separate placentas. ... An exact match proves that the twins are identical.
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Every twin has their own spirit, but there are difference between those of fraternal and identical twins. The spirits of fraternal twins have no closer relationship than those of any siblings. ... Identical twins have twin spirits; they experience many of their lifetimes together, always as identical twins.
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Although it's entirely possible to have a mix of identical and fraternal siblings in a single set of multiples (just look at the Busby quints; Ava and Olivia are identical, while the rest of the girls are fraternal), all of the Waldrop sextuplets are fraternal, People reported.