The children of monozygotic twins test genetically as half-siblings ( or full siblings, if monozygotic twin sisters reproduce with monozygotic twin brothers, if monozygotic twin brothers reproduce with the same woman, or if monozygotic twin sisters reproduce with the same man ), rather than first cousins.

Twin studies have shown that if one twin of a monozygotic pair experiences sleep paralysis that other twin is very likely to experience it as well.

There is overlap with unipolar depression and if this is also counted in the co-twin the concordance with bipolar disorder rises to 67 % in monozigotic twins and 19 % in dizigotic.

Female moose have an eight-month gestation period, usually bearing one calf, or twins if food is plentiful, in May or June.

Now, if both twins send a video feed of themselves to each other, what do they see in their screens?

Nevertheless, by the fourth century BC the fundamentals of the Romulus and Remus story were standard Roman fare, and by 269 BC the wolf and suckling twins appeared on one of the earliest, if not the earliest issues of Roman silver coinage.

The degree of separation of the twins in utero depends on if and when they split into two zygotes.

In many cases, the surgery results in the death of one or both of the twins, particularly if they are joined at the head.

This makes the ethics of surgical separation, where the twins can survive if not separated, contentious.

) However, if the operation had not taken place, it was certain that both twins would die.

Texts describe their relationship as if they were twins.

Meanwhile, Zoe sees the purple light from the front of the shop and recognizes it ; she confronts the shop owner in hopes of finding the twins she saw, but he dismisses her declarations, though he leaves her some clues as to what will happen to Anna and Danny, if she wants to help them.

* Conjoined-parasitic twins joined at the head are described as craniopagus or cephalopagus, and occipitalis if joined in the occipital region or parietalis if joined in the parietal region.

She fires Mrs Johnstone, who wants to take the baby with her, but Mrs Lyons plays on Mrs Johnstone's superstitions by telling her that " if twins separated at birth learn that they were once one of a pair they will both immediately die ".

The Catholic church in known to have ordered an autopsy on conjoined twins Joana and Melchiora Ballestero in Hispanola in 1533 to determine if they shared a soul.

The Manu Smriti also notes the biological origins of a third gender: " A male child is produced by a greater quantity of male seed, a female child by the prevalence of the female ; if both are equal, a third-sex child or boy and girl twins are produced ; if either are weak or deficient in quantity, a failure of conception results.

Ferdinand reveals that he and the Duchess were twins, and that he had hoped, if she had remained a widow, to inherit all her wealth.

He and Albert were brought up and educated together as if they were twins.

In a cellular automaton, two finite patterns are twins if one can be substituted for the other wherever it appears, without changing future states.

A cellular automaton is injective if every pair of distinct configurations of the automaton remain different after a step of the automaton, and locally injective if it has no twins.

A dual-listed company ( DLC ) structure involves two companies incorporated in different countries contractually agreeing to operate their businesses as if they were a single enterprise, while retaining their separate legal identity and existing stock exchange listings.

On their turn, players must choose whether to " hit " ( take a card ), " stand " ( end their turn ), " double " ( double wager, take a single card and finish ), " split " ( if the two cards have the same value, separate them to make two hands ) or " surrender " ( give up a half-bet and retire from the game ).

Paired DNA and RNA molecules are comparatively stable at room temperature but the two nucleotide strands will separate above a melting point that is determined by the length of the molecules, the extent of mispairing ( if any ), and the GC content.

** Executive chairman – the chairman's post may also exist as an office separate from that of CEO, and it is considered an executive chairman if that titleholder wields influence over company operations, such as Steve Case of AOL Time Warner and Douglas Flint of HSBC.

President and CEO is a popular combination if there is a separate chairman.

There is much variation ; often the CEO also holds the title of President, while in other organizations if there is a separate CEO, the President is then second highest-ranking position.

* He'll be a good manager ( the clitic'll certainly cannot be stressed as it is not a separate syllable ; if stress is placed on the syllable he'll the effect is to emphasize he )

Backing up files simply means making copies of the files in a separate location so that they can be restored if something happens to the computer, or if they are deleted accidentally.

The part from the decimal separator to the right is the fractional part ; if considered as a separate number, a zero is often written in front.

Hexameters also have a primary caesura — a break in sense, much like the function of a comma in prose — at one of several normal positions: After the first syllable in the third foot ( the " masculine " caesura ); after the second syllable in the third foot if the third foot is a dactyl ( the " feminine " caesura ); after the first syllable of the fourth foot ; or after the first syllable of the second foot ( the latter two often occur together in a line, breaking it into three separate units ).

* applications may then signal an error if such interpretation, retrieval or separate parsing ever fails.

Of course, if two stations transmit on the same frequency, it is practically impossible for the receiver to separate them ; so instead of all stations transmitting at the same frequency, each chain was allocated a nominal frequency, 1f, and each station in the chain transmitted at a harmonic of this base frequency, as follows:

Articles written by users, if vetted and approved, will also only be available in a special section of the website, separate from the professional articles.

These " politically neutral " groups tend to avoid global conflicts and view the settlement of inter-human conflict as separate from regard for nature-in direct contradiction to the ecology movement and peace movement which have increasingly close links: While Green Parties and Greenpeace, and groups like the ACTivist Magazine for example, regard ecology, biodiversity and an end to non-human extinction as absolutely basic to peace, the local groups may not, and may see a high degree of global competition and conflict as justifiable if it lets them preserve their own local uniqueness.

Some complex flag designs are not intended for through and through implementation, requiring separate obverse and reverse sides if made correctly.

Excess capacity is distributed through a separate network for home heating or if not enough energy can be dissipated through this, a dump load.

Within each domain, the spins are aligned, but ( if the bulk material is in its lowest energy configuration, i. e. unmagnetized ), the spins of separate domains point in different directions and their magnetic fields cancel out, so the object has no net large scale magnetic field.

Nineteenth-century biologists reported that the Hydra was such a simple animal that it was possible to force one through gauze to separate it into individual cells ; if the cells were then left to themselves, they would regroup to form a hydra again.

However, a JNG may contain two separate JPEG datastreams for color information ( one eight-bit and one twelve-bit ) to permit decoders that are unable to ( or do not wish to ) handle twelve-bit datastreams to display the eight-bit datastream instead, if one is present.

This court ( lagmannsretten ) is administered by a three-judge panel ( usually 1 lagmann and 2 lagdommere ), and if 7 or more jury members want to convict, the sentence is set in a separate proceeding, consisting of the three judges and the jury foreman ( lagrettens ordfører ) and three other members of the jury chosen by ballot.

Lenin did not mind prolonging the negotiating process for maximum propaganda effect, but, from January 1918 on, advocated signing a separate peace treaty if faced with a German ultimatum.

If a player gets a 6 they can separate chances ( the player can separate 6 on one piece and 3 on the other if they get a 6 and a 3, if the pieces are already out of the house ).